{
  "cohorts": [
    {
      "javaVersion": "17.0.17",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 2,
      "trials": 5,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 798444292,
          "netRuntimeMillis": 606,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 396562000,
          "netRuntimeMillis": 315,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 307232916,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 324569750,
          "netRuntimeMillis": 232,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 244226041,
          "netRuntimeMillis": 185,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 325693084,
          "netRuntimeMillis": 265,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 257549083,
          "netRuntimeMillis": 185,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 371974292,
          "netRuntimeMillis": 319,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 246040750,
          "netRuntimeMillis": 207,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 384724459,
          "netRuntimeMillis": 265,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 233399792,
          "netRuntimeMillis": 200,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 249401584,
          "netRuntimeMillis": 188,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 242014042,
          "netRuntimeMillis": 193,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 189501708,
          "netRuntimeMillis": 157,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 292919375,
          "netRuntimeMillis": 256,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 217801875,
          "netRuntimeMillis": 174,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 305453875,
          "netRuntimeMillis": 270,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 296330875,
          "netRuntimeMillis": 234,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 371514459,
          "netRuntimeMillis": 298,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 280640000,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 242585959,
          "netRuntimeMillis": 201,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 829306459,
          "netRuntimeMillis": 783,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 446558792,
          "netRuntimeMillis": 365,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 344879291,
          "netRuntimeMillis": 303,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 433391833,
          "netRuntimeMillis": 357,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 352183125,
          "netRuntimeMillis": 279,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 380285083,
          "netRuntimeMillis": 350,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 326714416,
          "netRuntimeMillis": 245,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 381495791,
          "netRuntimeMillis": 337,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 363079875,
          "netRuntimeMillis": 295,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 440478459,
          "netRuntimeMillis": 365,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 346464833,
          "netRuntimeMillis": 297,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 270473875,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 316245625,
          "netRuntimeMillis": 253,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 318648125,
          "netRuntimeMillis": 254,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 436106292,
          "netRuntimeMillis": 384,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 259455375,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 410758500,
          "netRuntimeMillis": 335,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 334994500,
          "netRuntimeMillis": 305,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 340253959,
          "netRuntimeMillis": 309,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 395237958,
          "netRuntimeMillis": 353,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 273515541,
          "netRuntimeMillis": 242,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 472301125,
          "netRuntimeMillis": 357,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 383111500,
          "netRuntimeMillis": 306,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 312149791,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 278943917,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 240706916,
          "netRuntimeMillis": 193,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 308853167,
          "netRuntimeMillis": 267,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 225435167,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 271892834,
          "netRuntimeMillis": 247,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 292632000,
          "netRuntimeMillis": 262,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 330887417,
          "netRuntimeMillis": 264,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 257923417,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 285167167,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 255882959,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 298546833,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 322289500,
          "netRuntimeMillis": 272,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 266959292,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 372724458,
          "netRuntimeMillis": 347,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 310136875,
          "netRuntimeMillis": 273,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 290819375,
          "netRuntimeMillis": 224,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 277734625,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 220128167,
          "netRuntimeMillis": 193,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 383803916,
          "netRuntimeMillis": 305,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 261424833,
          "netRuntimeMillis": 232,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 242178167,
          "netRuntimeMillis": 214,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 279765000,
          "netRuntimeMillis": 242,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 273727666,
          "netRuntimeMillis": 218,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 334394875,
          "netRuntimeMillis": 292,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 281261125,
          "netRuntimeMillis": 234,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 283283417,
          "netRuntimeMillis": 249,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 281443167,
          "netRuntimeMillis": 242,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 287185375,
          "netRuntimeMillis": 248,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 283823500,
          "netRuntimeMillis": 243,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 285765708,
          "netRuntimeMillis": 215,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 305393334,
          "netRuntimeMillis": 269,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 284770000,
          "netRuntimeMillis": 250,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 288838042,
          "netRuntimeMillis": 257,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 219034791,
          "netRuntimeMillis": 190,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 356175584,
          "netRuntimeMillis": 275,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 323957041,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 272805000,
          "netRuntimeMillis": 239,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 280320000,
          "netRuntimeMillis": 258,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 238704167,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 524402500,
          "netRuntimeMillis": 478,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 313414833,
          "netRuntimeMillis": 290,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 299348375,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 358584959,
          "netRuntimeMillis": 267,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 308693166,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 379546209,
          "netRuntimeMillis": 321,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 281898625,
          "netRuntimeMillis": 246,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 328288750,
          "netRuntimeMillis": 256,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 334373416,
          "netRuntimeMillis": 267,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 275916250,
          "netRuntimeMillis": 254,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 242391458,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 306738875,
          "netRuntimeMillis": 229,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 359528542,
          "netRuntimeMillis": 279,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 312556792,
          "netRuntimeMillis": 237,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 311283541,
          "netRuntimeMillis": 266,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 190058750,
          "netRuntimeMillis": 162,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 294790667,
          "netRuntimeMillis": 267,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 311511083,
          "netRuntimeMillis": 283,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 327727500,
          "netRuntimeMillis": 289,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 311082208,
          "netRuntimeMillis": 273,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 205013416,
          "netRuntimeMillis": 180,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "flinkVersion": "2.2.1",
      "paimonVersion": "2.1.0",
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "sourceBatchRows": 8192,
      "phase": "before direct string copies and full 4096-row buffering"
    },
    {
      "javaVersion": "17.0.17",
      "os": "Mac OS X aarch64",
      "inputRows": 1000000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 2,
      "trials": 5,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 1423912416,
          "netRuntimeMillis": 948,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 746476166,
          "netRuntimeMillis": 440,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 435950875,
          "netRuntimeMillis": 365,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 357229167,
          "netRuntimeMillis": 322,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 257950334,
          "netRuntimeMillis": 227,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 335145458,
          "netRuntimeMillis": 308,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 260040708,
          "netRuntimeMillis": 231,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 336961875,
          "netRuntimeMillis": 309,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 329015375,
          "netRuntimeMillis": 302,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 332240666,
          "netRuntimeMillis": 307,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 320127875,
          "netRuntimeMillis": 294,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 246153416,
          "netRuntimeMillis": 220,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 326443625,
          "netRuntimeMillis": 302,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 243482458,
          "netRuntimeMillis": 219,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 336012458,
          "netRuntimeMillis": 311,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 237734041,
          "netRuntimeMillis": 213,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 322797709,
          "netRuntimeMillis": 300,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 314114875,
          "netRuntimeMillis": 290,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 325759084,
          "netRuntimeMillis": 303,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 324096708,
          "netRuntimeMillis": 301,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 248135916,
          "netRuntimeMillis": 217,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 787973708,
          "netRuntimeMillis": 764,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 506228250,
          "netRuntimeMillis": 483,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 487955292,
          "netRuntimeMillis": 464,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 508454458,
          "netRuntimeMillis": 486,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 438639291,
          "netRuntimeMillis": 416,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 515259334,
          "netRuntimeMillis": 493,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 439302750,
          "netRuntimeMillis": 412,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 520298834,
          "netRuntimeMillis": 499,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 502605084,
          "netRuntimeMillis": 480,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 511919625,
          "netRuntimeMillis": 490,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 495981292,
          "netRuntimeMillis": 475,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 444032750,
          "netRuntimeMillis": 422,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 496053708,
          "netRuntimeMillis": 475,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 435951250,
          "netRuntimeMillis": 412,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 527392084,
          "netRuntimeMillis": 505,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 432879959,
          "netRuntimeMillis": 409,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 519276917,
          "netRuntimeMillis": 497,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 496600792,
          "netRuntimeMillis": 476,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 552098375,
          "netRuntimeMillis": 530,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 508302708,
          "netRuntimeMillis": 486,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 439202042,
          "netRuntimeMillis": 417,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 559209209,
          "netRuntimeMillis": 506,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 494929334,
          "netRuntimeMillis": 459,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 430108792,
          "netRuntimeMillis": 404,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 487169333,
          "netRuntimeMillis": 463,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 498489708,
          "netRuntimeMillis": 473,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 519545583,
          "netRuntimeMillis": 472,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 436543459,
          "netRuntimeMillis": 412,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 448873333,
          "netRuntimeMillis": 416,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 459381084,
          "netRuntimeMillis": 432,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 467889708,
          "netRuntimeMillis": 439,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 458525125,
          "netRuntimeMillis": 421,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 432907667,
          "netRuntimeMillis": 394,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 451258416,
          "netRuntimeMillis": 427,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 436728917,
          "netRuntimeMillis": 392,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 435862500,
          "netRuntimeMillis": 407,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 409228000,
          "netRuntimeMillis": 386,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 425903500,
          "netRuntimeMillis": 404,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 467661458,
          "netRuntimeMillis": 430,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 455851625,
          "netRuntimeMillis": 434,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 443285791,
          "netRuntimeMillis": 421,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 436053625,
          "netRuntimeMillis": 405,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 534448208,
          "netRuntimeMillis": 510,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 516349916,
          "netRuntimeMillis": 496,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 447140167,
          "netRuntimeMillis": 424,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 543322667,
          "netRuntimeMillis": 470,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 449955250,
          "netRuntimeMillis": 427,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 519665708,
          "netRuntimeMillis": 499,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 466613458,
          "netRuntimeMillis": 436,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 512998000,
          "netRuntimeMillis": 489,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 511231875,
          "netRuntimeMillis": 476,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 528572291,
          "netRuntimeMillis": 508,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 505901250,
          "netRuntimeMillis": 486,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 475053500,
          "netRuntimeMillis": 422,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 499697000,
          "netRuntimeMillis": 468,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 433872959,
          "netRuntimeMillis": 413,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 523327875,
          "netRuntimeMillis": 504,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 455568292,
          "netRuntimeMillis": 434,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 528231291,
          "netRuntimeMillis": 498,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 499655000,
          "netRuntimeMillis": 471,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 516251500,
          "netRuntimeMillis": 497,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 484652208,
          "netRuntimeMillis": 465,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 453273292,
          "netRuntimeMillis": 427,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 939202875,
          "netRuntimeMillis": 897,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 702422333,
          "netRuntimeMillis": 682,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 584604750,
          "netRuntimeMillis": 563,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 690758666,
          "netRuntimeMillis": 671,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 602638875,
          "netRuntimeMillis": 583,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 661771459,
          "netRuntimeMillis": 643,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 604706000,
          "netRuntimeMillis": 581,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 667801750,
          "netRuntimeMillis": 640,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 649906750,
          "netRuntimeMillis": 629,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 711765208,
          "netRuntimeMillis": 683,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 729762375,
          "netRuntimeMillis": 709,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 603866167,
          "netRuntimeMillis": 582,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 708779250,
          "netRuntimeMillis": 685,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 818974000,
          "netRuntimeMillis": 793,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 914705333,
          "netRuntimeMillis": 882,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 663345500,
          "netRuntimeMillis": 637,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 957708375,
          "netRuntimeMillis": 934,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 1017862375,
          "netRuntimeMillis": 994,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 1174132250,
          "netRuntimeMillis": 1139,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 1051253084,
          "netRuntimeMillis": 1008,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 850225750,
          "netRuntimeMillis": 814,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        }
      ],
      "flinkVersion": "2.2.1",
      "paimonVersion": "2.1.0",
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "sourceBatchRows": 8192,
      "phase": "before direct string copies and full 4096-row buffering"
    },
    {
      "javaVersion": "11.0.28",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "sourceBatchRows": 8192,
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 319689250,
          "netRuntimeMillis": 287,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 252869000,
          "netRuntimeMillis": 199,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 219037417,
          "netRuntimeMillis": 167,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 208677875,
          "netRuntimeMillis": 156,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 186205250,
          "netRuntimeMillis": 136,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 232246750,
          "netRuntimeMillis": 156,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 157764458,
          "netRuntimeMillis": 129,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 183929042,
          "netRuntimeMillis": 158,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 204410542,
          "netRuntimeMillis": 155,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 179654167,
          "netRuntimeMillis": 154,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 180242417,
          "netRuntimeMillis": 155,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 181802792,
          "netRuntimeMillis": 131,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 229580459,
          "netRuntimeMillis": 151,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 174508750,
          "netRuntimeMillis": 126,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 210291833,
          "netRuntimeMillis": 161,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 147983166,
          "netRuntimeMillis": 122,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 195912500,
          "netRuntimeMillis": 163,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 174124958,
          "netRuntimeMillis": 150,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 186887083,
          "netRuntimeMillis": 162,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 211640500,
          "netRuntimeMillis": 148,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 173231500,
          "netRuntimeMillis": 123,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 192488000,
          "netRuntimeMillis": 142,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 183050958,
          "netRuntimeMillis": 135,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 216728958,
          "netRuntimeMillis": 160,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 141196250,
          "netRuntimeMillis": 116,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 210421042,
          "netRuntimeMillis": 161,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 214720750,
          "netRuntimeMillis": 137,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 167858833,
          "netRuntimeMillis": 145,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 220564666,
          "netRuntimeMillis": 144,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 149751000,
          "netRuntimeMillis": 124,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 473206792,
          "netRuntimeMillis": 448,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 284581417,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 252218958,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 266968125,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 269178709,
          "netRuntimeMillis": 190,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 262429875,
          "netRuntimeMillis": 232,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 208488083,
          "netRuntimeMillis": 182,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 250044791,
          "netRuntimeMillis": 226,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 291900584,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 240343042,
          "netRuntimeMillis": 216,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 262230875,
          "netRuntimeMillis": 214,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 248930417,
          "netRuntimeMillis": 201,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 275082500,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 232077667,
          "netRuntimeMillis": 184,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 269745750,
          "netRuntimeMillis": 222,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 235899667,
          "netRuntimeMillis": 188,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 292717583,
          "netRuntimeMillis": 218,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 241141250,
          "netRuntimeMillis": 218,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 244531542,
          "netRuntimeMillis": 222,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 253308750,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 229980833,
          "netRuntimeMillis": 183,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 283117291,
          "netRuntimeMillis": 207,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 275689292,
          "netRuntimeMillis": 190,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 244545917,
          "netRuntimeMillis": 222,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 219854750,
          "netRuntimeMillis": 180,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 297501083,
          "netRuntimeMillis": 223,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 263274333,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 271141292,
          "netRuntimeMillis": 225,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 232278000,
          "netRuntimeMillis": 210,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 231122000,
          "netRuntimeMillis": 183,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 285771542,
          "netRuntimeMillis": 233,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 276356250,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 245047625,
          "netRuntimeMillis": 197,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 244433542,
          "netRuntimeMillis": 218,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 224727041,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 264107333,
          "netRuntimeMillis": 215,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 276029375,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 263915792,
          "netRuntimeMillis": 215,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 235096875,
          "netRuntimeMillis": 210,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 268999791,
          "netRuntimeMillis": 220,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 243469834,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 223886125,
          "netRuntimeMillis": 196,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 289363833,
          "netRuntimeMillis": 212,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 295568875,
          "netRuntimeMillis": 192,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 299001875,
          "netRuntimeMillis": 216,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 248907916,
          "netRuntimeMillis": 199,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 266400083,
          "netRuntimeMillis": 219,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 232622208,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 242563625,
          "netRuntimeMillis": 218,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 233335250,
          "netRuntimeMillis": 209,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 230750500,
          "netRuntimeMillis": 195,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 232899500,
          "netRuntimeMillis": 209,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 249398333,
          "netRuntimeMillis": 201,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 269172416,
          "netRuntimeMillis": 221,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 217867208,
          "netRuntimeMillis": 193,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 292166000,
          "netRuntimeMillis": 215,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 288378208,
          "netRuntimeMillis": 212,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 258594042,
          "netRuntimeMillis": 212,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 253216625,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 219730333,
          "netRuntimeMillis": 194,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 286178542,
          "netRuntimeMillis": 239,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 303969167,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 253754292,
          "netRuntimeMillis": 206,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 285559208,
          "netRuntimeMillis": 238,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 259840500,
          "netRuntimeMillis": 212,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 260770625,
          "netRuntimeMillis": 239,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 225055500,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 262166125,
          "netRuntimeMillis": 239,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 261854042,
          "netRuntimeMillis": 237,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 284011375,
          "netRuntimeMillis": 237,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 272880375,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 282940000,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 262757792,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 276777541,
          "netRuntimeMillis": 200,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 281492583,
          "netRuntimeMillis": 235,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 225290958,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 271358042,
          "netRuntimeMillis": 249,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 275817292,
          "netRuntimeMillis": 229,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 291710083,
          "netRuntimeMillis": 245,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 293438541,
          "netRuntimeMillis": 247,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 255863000,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 253411500,
          "netRuntimeMillis": 231,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 222660500,
          "netRuntimeMillis": 200,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 263179166,
          "netRuntimeMillis": 241,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 257568167,
          "netRuntimeMillis": 209,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 271632708,
          "netRuntimeMillis": 248,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 258700917,
          "netRuntimeMillis": 236,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 290794417,
          "netRuntimeMillis": 243,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 280522208,
          "netRuntimeMillis": 233,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 223531542,
          "netRuntimeMillis": 201,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 546260833,
          "netRuntimeMillis": 470,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 357978791,
          "netRuntimeMillis": 335,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 318778292,
          "netRuntimeMillis": 295,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 343262542,
          "netRuntimeMillis": 290,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 291561417,
          "netRuntimeMillis": 269,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 335599000,
          "netRuntimeMillis": 313,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 279811041,
          "netRuntimeMillis": 257,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 245479792,
          "netRuntimeMillis": 225,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 296427000,
          "netRuntimeMillis": 275,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 249688375,
          "netRuntimeMillis": 228,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 307013833,
          "netRuntimeMillis": 286,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 274653833,
          "netRuntimeMillis": 253,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 230927708,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 202612792,
          "netRuntimeMillis": 180,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 243282791,
          "netRuntimeMillis": 222,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 203192750,
          "netRuntimeMillis": 181,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 320785042,
          "netRuntimeMillis": 299,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 297120000,
          "netRuntimeMillis": 274,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 310540125,
          "netRuntimeMillis": 287,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 318722250,
          "netRuntimeMillis": 293,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 282125666,
          "netRuntimeMillis": 260,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 315374834,
          "netRuntimeMillis": 294,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 282803750,
          "netRuntimeMillis": 260,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 320608042,
          "netRuntimeMillis": 299,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 273988666,
          "netRuntimeMillis": 252,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 244599708,
          "netRuntimeMillis": 223,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 305786875,
          "netRuntimeMillis": 284,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 315669959,
          "netRuntimeMillis": 295,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 301009958,
          "netRuntimeMillis": 277,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 275527375,
          "netRuntimeMillis": 253,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "flinkVersion": "1.18.1",
      "paimonVersion": "2.0.0",
      "phase": "before direct string copies and full 4096-row buffering"
    },
    {
      "javaVersion": "11.0.28",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "sourceBatchRows": 8192,
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 292186875,
          "netRuntimeMillis": 282,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 226416208,
          "netRuntimeMillis": 218,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 142150625,
          "netRuntimeMillis": 133,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 175763834,
          "netRuntimeMillis": 167,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 129194916,
          "netRuntimeMillis": 118,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 182201958,
          "netRuntimeMillis": 175,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 139179084,
          "netRuntimeMillis": 131,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 226048250,
          "netRuntimeMillis": 218,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 173724542,
          "netRuntimeMillis": 166,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 177159291,
          "netRuntimeMillis": 169,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 169878750,
          "netRuntimeMillis": 163,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 141359167,
          "netRuntimeMillis": 134,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 227507875,
          "netRuntimeMillis": 218,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 140972333,
          "netRuntimeMillis": 133,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 188506500,
          "netRuntimeMillis": 181,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 138552084,
          "netRuntimeMillis": 131,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 181676125,
          "netRuntimeMillis": 174,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 168927250,
          "netRuntimeMillis": 161,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 172674125,
          "netRuntimeMillis": 165,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 166453167,
          "netRuntimeMillis": 158,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 138128792,
          "netRuntimeMillis": 129,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 234768084,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 186993792,
          "netRuntimeMillis": 179,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 223484791,
          "netRuntimeMillis": 216,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 139512583,
          "netRuntimeMillis": 131,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 184464125,
          "netRuntimeMillis": 178,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 160743375,
          "netRuntimeMillis": 153,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 174979709,
          "netRuntimeMillis": 169,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 162804625,
          "netRuntimeMillis": 156,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 133624041,
          "netRuntimeMillis": 125,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 297466250,
          "netRuntimeMillis": 291,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 318996208,
          "netRuntimeMillis": 309,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 234547375,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 312764958,
          "netRuntimeMillis": 305,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 241800333,
          "netRuntimeMillis": 234,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 266861083,
          "netRuntimeMillis": 260,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 232513208,
          "netRuntimeMillis": 224,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 277668042,
          "netRuntimeMillis": 271,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 269566417,
          "netRuntimeMillis": 262,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 276017875,
          "netRuntimeMillis": 267,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 275852041,
          "netRuntimeMillis": 268,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 240930542,
          "netRuntimeMillis": 233,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 266432500,
          "netRuntimeMillis": 258,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 237360792,
          "netRuntimeMillis": 230,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 277865959,
          "netRuntimeMillis": 271,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 230159875,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 264957541,
          "netRuntimeMillis": 258,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 266784125,
          "netRuntimeMillis": 259,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 282031125,
          "netRuntimeMillis": 273,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 262078000,
          "netRuntimeMillis": 255,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 232616333,
          "netRuntimeMillis": 224,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 270800166,
          "netRuntimeMillis": 263,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 240331000,
          "netRuntimeMillis": 232,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 278100167,
          "netRuntimeMillis": 270,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 231229250,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 256527584,
          "netRuntimeMillis": 249,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 272270000,
          "netRuntimeMillis": 265,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 267069791,
          "netRuntimeMillis": 260,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 268062083,
          "netRuntimeMillis": 260,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 242584917,
          "netRuntimeMillis": 235,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 300845042,
          "netRuntimeMillis": 289,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 308210958,
          "netRuntimeMillis": 297,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 290825083,
          "netRuntimeMillis": 279,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 307213250,
          "netRuntimeMillis": 297,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 283000125,
          "netRuntimeMillis": 271,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 299740875,
          "netRuntimeMillis": 289,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 294400417,
          "netRuntimeMillis": 283,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 302365458,
          "netRuntimeMillis": 291,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 304300292,
          "netRuntimeMillis": 294,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 291174500,
          "netRuntimeMillis": 281,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 310350125,
          "netRuntimeMillis": 299,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 286596000,
          "netRuntimeMillis": 274,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 308118750,
          "netRuntimeMillis": 293,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 271167375,
          "netRuntimeMillis": 260,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 292915708,
          "netRuntimeMillis": 282,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 286016875,
          "netRuntimeMillis": 272,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 298781583,
          "netRuntimeMillis": 287,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 303330500,
          "netRuntimeMillis": 293,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 296378583,
          "netRuntimeMillis": 286,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 303889375,
          "netRuntimeMillis": 292,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 287265291,
          "netRuntimeMillis": 274,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 299648541,
          "netRuntimeMillis": 288,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 283852500,
          "netRuntimeMillis": 272,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 289541792,
          "netRuntimeMillis": 278,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 286688792,
          "netRuntimeMillis": 276,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 290995708,
          "netRuntimeMillis": 280,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 300569792,
          "netRuntimeMillis": 290,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 295883708,
          "netRuntimeMillis": 285,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 338335167,
          "netRuntimeMillis": 328,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 290318792,
          "netRuntimeMillis": 278,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 331125208,
          "netRuntimeMillis": 322,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 332990416,
          "netRuntimeMillis": 324,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 296017084,
          "netRuntimeMillis": 288,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 321907000,
          "netRuntimeMillis": 313,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 301125042,
          "netRuntimeMillis": 292,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 326007500,
          "netRuntimeMillis": 317,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 287135833,
          "netRuntimeMillis": 278,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 325962667,
          "netRuntimeMillis": 318,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 314023000,
          "netRuntimeMillis": 304,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 325505708,
          "netRuntimeMillis": 318,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 322165250,
          "netRuntimeMillis": 314,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 291799250,
          "netRuntimeMillis": 283,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 312800959,
          "netRuntimeMillis": 305,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 292181917,
          "netRuntimeMillis": 283,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 325029458,
          "netRuntimeMillis": 317,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 287511166,
          "netRuntimeMillis": 278,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 324238833,
          "netRuntimeMillis": 316,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 318433125,
          "netRuntimeMillis": 310,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 324307500,
          "netRuntimeMillis": 317,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 320361458,
          "netRuntimeMillis": 312,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 285160958,
          "netRuntimeMillis": 276,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 313129625,
          "netRuntimeMillis": 304,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 288622000,
          "netRuntimeMillis": 280,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 324881667,
          "netRuntimeMillis": 317,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 287191375,
          "netRuntimeMillis": 278,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 325454542,
          "netRuntimeMillis": 317,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 318904000,
          "netRuntimeMillis": 310,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 328638125,
          "netRuntimeMillis": 321,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 318041458,
          "netRuntimeMillis": 310,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 286379666,
          "netRuntimeMillis": 278,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 353132584,
          "netRuntimeMillis": 345,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 364002666,
          "netRuntimeMillis": 356,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 280919292,
          "netRuntimeMillis": 272,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 419470625,
          "netRuntimeMillis": 408,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 397020375,
          "netRuntimeMillis": 388,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 363097459,
          "netRuntimeMillis": 355,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 305382541,
          "netRuntimeMillis": 297,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 304620458,
          "netRuntimeMillis": 297,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 333450958,
          "netRuntimeMillis": 324,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 356381959,
          "netRuntimeMillis": 347,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 336352541,
          "netRuntimeMillis": 327,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 256276125,
          "netRuntimeMillis": 248,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 337461250,
          "netRuntimeMillis": 329,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 311717291,
          "netRuntimeMillis": 304,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 303556917,
          "netRuntimeMillis": 297,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 258956917,
          "netRuntimeMillis": 250,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 281788916,
          "netRuntimeMillis": 273,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 346388417,
          "netRuntimeMillis": 337,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 427262500,
          "netRuntimeMillis": 415,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 364361875,
          "netRuntimeMillis": 355,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 328628417,
          "netRuntimeMillis": 319,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 309822291,
          "netRuntimeMillis": 300,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 301204458,
          "netRuntimeMillis": 291,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 409713166,
          "netRuntimeMillis": 401,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 283040459,
          "netRuntimeMillis": 274,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 354837167,
          "netRuntimeMillis": 347,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 338890542,
          "netRuntimeMillis": 330,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 364291667,
          "netRuntimeMillis": 355,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 337502875,
          "netRuntimeMillis": 329,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 327306000,
          "netRuntimeMillis": 318,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "flinkVersion": "1.18.1",
      "paimonVersion": "1.0.0",
      "phase": "before direct string copies and full 4096-row buffering"
    },
    {
      "javaVersion": "17.0.17",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 2,
      "trials": 5,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "flinkVersion": "2.2.1",
      "paimonVersion": "2.1.0",
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "sourceBatchRows": 8192,
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 244707916,
          "netRuntimeMillis": 223,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 236271459,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 196131250,
          "netRuntimeMillis": 165,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 117396334,
          "netRuntimeMillis": 96,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 96191500,
          "netRuntimeMillis": 74,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 268780667,
          "netRuntimeMillis": 216,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 105756250,
          "netRuntimeMillis": 82,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 188939375,
          "netRuntimeMillis": 164,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 115386458,
          "netRuntimeMillis": 92,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 176532792,
          "netRuntimeMillis": 157,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 151921375,
          "netRuntimeMillis": 133,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 184590417,
          "netRuntimeMillis": 138,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 239583417,
          "netRuntimeMillis": 187,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 218395209,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 156089166,
          "netRuntimeMillis": 137,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 177902459,
          "netRuntimeMillis": 149,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 121810708,
          "netRuntimeMillis": 97,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 242016666,
          "netRuntimeMillis": 189,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 245007959,
          "netRuntimeMillis": 189,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 202673167,
          "netRuntimeMillis": 143,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 213903667,
          "netRuntimeMillis": 159,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 379295666,
          "netRuntimeMillis": 352,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 380568375,
          "netRuntimeMillis": 316,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 305018834,
          "netRuntimeMillis": 238,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 287424833,
          "netRuntimeMillis": 227,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 349267875,
          "netRuntimeMillis": 267,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 259603625,
          "netRuntimeMillis": 239,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 148972458,
          "netRuntimeMillis": 127,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 269816250,
          "netRuntimeMillis": 239,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 275735500,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 264541375,
          "netRuntimeMillis": 236,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 292688792,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 219178958,
          "netRuntimeMillis": 193,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 241491042,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 162399667,
          "netRuntimeMillis": 142,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 191193458,
          "netRuntimeMillis": 170,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 274632250,
          "netRuntimeMillis": 196,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 321233833,
          "netRuntimeMillis": 260,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 298760667,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 277580125,
          "netRuntimeMillis": 258,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 190594750,
          "netRuntimeMillis": 170,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 257327625,
          "netRuntimeMillis": 220,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 268892792,
          "netRuntimeMillis": 229,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 265599250,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 252081125,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 273420125,
          "netRuntimeMillis": 241,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 221706875,
          "netRuntimeMillis": 190,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 258373125,
          "netRuntimeMillis": 211,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 225807959,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 233696542,
          "netRuntimeMillis": 203,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 243988292,
          "netRuntimeMillis": 221,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 248203750,
          "netRuntimeMillis": 225,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 306896917,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 229169084,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 231942375,
          "netRuntimeMillis": 210,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 208462417,
          "netRuntimeMillis": 187,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 373390083,
          "netRuntimeMillis": 288,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 367539167,
          "netRuntimeMillis": 224,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 217055792,
          "netRuntimeMillis": 196,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 266226500,
          "netRuntimeMillis": 245,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 217235084,
          "netRuntimeMillis": 196,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 225762583,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 369638750,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 299107916,
          "netRuntimeMillis": 279,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 265750667,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 334893875,
          "netRuntimeMillis": 191,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 307697709,
          "netRuntimeMillis": 249,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 235813375,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 259084625,
          "netRuntimeMillis": 238,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 320375542,
          "netRuntimeMillis": 206,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 335615042,
          "netRuntimeMillis": 274,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 271474542,
          "netRuntimeMillis": 248,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 313791125,
          "netRuntimeMillis": 284,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 284787917,
          "netRuntimeMillis": 260,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 293536583,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 299868459,
          "netRuntimeMillis": 229,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 352829458,
          "netRuntimeMillis": 321,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 279032917,
          "netRuntimeMillis": 237,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 226958708,
          "netRuntimeMillis": 199,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 260516083,
          "netRuntimeMillis": 228,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 281294583,
          "netRuntimeMillis": 245,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 312262625,
          "netRuntimeMillis": 265,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 327740875,
          "netRuntimeMillis": 287,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 253473917,
          "netRuntimeMillis": 214,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 444144875,
          "netRuntimeMillis": 416,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 274238000,
          "netRuntimeMillis": 248,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 285346375,
          "netRuntimeMillis": 246,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 261187833,
          "netRuntimeMillis": 241,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 239834916,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 259845959,
          "netRuntimeMillis": 241,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 342156625,
          "netRuntimeMillis": 252,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 269679916,
          "netRuntimeMillis": 248,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 263456541,
          "netRuntimeMillis": 242,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 252587084,
          "netRuntimeMillis": 232,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 333098416,
          "netRuntimeMillis": 292,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 205258041,
          "netRuntimeMillis": 177,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 360767166,
          "netRuntimeMillis": 320,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 304565125,
          "netRuntimeMillis": 259,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 387496792,
          "netRuntimeMillis": 301,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 338617875,
          "netRuntimeMillis": 272,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 289636708,
          "netRuntimeMillis": 268,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 258754958,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 247579958,
          "netRuntimeMillis": 221,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 235417167,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 222803208,
          "netRuntimeMillis": 203,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "phase": "repeat before string/batch optimization"
    },
    {
      "javaVersion": "17.0.17",
      "os": "Mac OS X aarch64",
      "inputRows": 1000000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 2,
      "trials": 5,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "flinkVersion": "2.2.1",
      "paimonVersion": "2.1.0",
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "sourceBatchRows": 8192,
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 1685977042,
          "netRuntimeMillis": 1102,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 833292167,
          "netRuntimeMillis": 534,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 453861083,
          "netRuntimeMillis": 358,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 589525916,
          "netRuntimeMillis": 524,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 408380833,
          "netRuntimeMillis": 320,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 546692709,
          "netRuntimeMillis": 484,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 416793375,
          "netRuntimeMillis": 356,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 530377208,
          "netRuntimeMillis": 465,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 472767125,
          "netRuntimeMillis": 427,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 525083708,
          "netRuntimeMillis": 471,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 424280542,
          "netRuntimeMillis": 371,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 249097000,
          "netRuntimeMillis": 220,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 342027833,
          "netRuntimeMillis": 312,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 275865250,
          "netRuntimeMillis": 243,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 341615792,
          "netRuntimeMillis": 310,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 256949709,
          "netRuntimeMillis": 228,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 328626958,
          "netRuntimeMillis": 303,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 369153417,
          "netRuntimeMillis": 329,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 373659208,
          "netRuntimeMillis": 348,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 325648708,
          "netRuntimeMillis": 300,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 282181708,
          "netRuntimeMillis": 246,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 1258315458,
          "netRuntimeMillis": 1221,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 540540708,
          "netRuntimeMillis": 515,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 517681834,
          "netRuntimeMillis": 491,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 557665000,
          "netRuntimeMillis": 532,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 472897041,
          "netRuntimeMillis": 447,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 569829791,
          "netRuntimeMillis": 544,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 471744709,
          "netRuntimeMillis": 442,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 584423792,
          "netRuntimeMillis": 559,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 535654667,
          "netRuntimeMillis": 511,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 734472250,
          "netRuntimeMillis": 712,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 762109542,
          "netRuntimeMillis": 719,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 676878208,
          "netRuntimeMillis": 633,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 714759500,
          "netRuntimeMillis": 672,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 602304542,
          "netRuntimeMillis": 570,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 774763791,
          "netRuntimeMillis": 733,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 627361958,
          "netRuntimeMillis": 580,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 641325000,
          "netRuntimeMillis": 606,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 648725917,
          "netRuntimeMillis": 589,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 561245750,
          "netRuntimeMillis": 537,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 528328000,
          "netRuntimeMillis": 505,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 597120333,
          "netRuntimeMillis": 573,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 768015250,
          "netRuntimeMillis": 699,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 557579041,
          "netRuntimeMillis": 523,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 488240250,
          "netRuntimeMillis": 460,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 655312167,
          "netRuntimeMillis": 586,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 516483042,
          "netRuntimeMillis": 472,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 542874042,
          "netRuntimeMillis": 505,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 526433084,
          "netRuntimeMillis": 492,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 573997416,
          "netRuntimeMillis": 539,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 514460709,
          "netRuntimeMillis": 476,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 513491750,
          "netRuntimeMillis": 465,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 644762834,
          "netRuntimeMillis": 606,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 620425584,
          "netRuntimeMillis": 560,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 682925959,
          "netRuntimeMillis": 624,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 1031276125,
          "netRuntimeMillis": 918,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 697379500,
          "netRuntimeMillis": 625,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 489542750,
          "netRuntimeMillis": 455,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 483556750,
          "netRuntimeMillis": 452,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 503893333,
          "netRuntimeMillis": 475,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 473271625,
          "netRuntimeMillis": 445,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 492495750,
          "netRuntimeMillis": 457,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 453638166,
          "netRuntimeMillis": 428,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 597309584,
          "netRuntimeMillis": 559,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 576290500,
          "netRuntimeMillis": 498,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 464796625,
          "netRuntimeMillis": 441,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 537773292,
          "netRuntimeMillis": 511,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 471543917,
          "netRuntimeMillis": 415,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 611084500,
          "netRuntimeMillis": 542,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 503251250,
          "netRuntimeMillis": 465,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 581019833,
          "netRuntimeMillis": 558,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 549059666,
          "netRuntimeMillis": 521,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 589146375,
          "netRuntimeMillis": 559,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 567759625,
          "netRuntimeMillis": 531,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 487432166,
          "netRuntimeMillis": 445,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 545813125,
          "netRuntimeMillis": 509,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 498584000,
          "netRuntimeMillis": 450,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 540036750,
          "netRuntimeMillis": 505,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 502878458,
          "netRuntimeMillis": 464,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 545143375,
          "netRuntimeMillis": 524,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 526732000,
          "netRuntimeMillis": 501,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 583499541,
          "netRuntimeMillis": 526,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 595246875,
          "netRuntimeMillis": 572,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 540751083,
          "netRuntimeMillis": 482,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 1027880333,
          "netRuntimeMillis": 982,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 824447417,
          "netRuntimeMillis": 778,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 682870625,
          "netRuntimeMillis": 651,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 767751083,
          "netRuntimeMillis": 721,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 686989250,
          "netRuntimeMillis": 599,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 853817458,
          "netRuntimeMillis": 816,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 674316208,
          "netRuntimeMillis": 618,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 837779041,
          "netRuntimeMillis": 761,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 803252875,
          "netRuntimeMillis": 776,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 846208458,
          "netRuntimeMillis": 775,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 818977292,
          "netRuntimeMillis": 793,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 629820542,
          "netRuntimeMillis": 597,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 875443791,
          "netRuntimeMillis": 795,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 659582250,
          "netRuntimeMillis": 613,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 862293458,
          "netRuntimeMillis": 803,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 730410750,
          "netRuntimeMillis": 696,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 839498083,
          "netRuntimeMillis": 783,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 785199000,
          "netRuntimeMillis": 751,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 817576500,
          "netRuntimeMillis": 777,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 783470000,
          "netRuntimeMillis": 735,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 654473084,
          "netRuntimeMillis": 627,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        }
      ],
      "phase": "repeat before string/batch optimization"
    },
    {
      "javaVersion": "17.0.17",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "flinkVersion": "2.2.1",
      "paimonVersion": "2.1.0",
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "sourceBatchRows": 8192,
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1223831542,
          "netRuntimeMillis": 728,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 647230833,
          "netRuntimeMillis": 343,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 263968833,
          "netRuntimeMillis": 207,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 244334250,
          "netRuntimeMillis": 187,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 210443166,
          "netRuntimeMillis": 138,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 220785584,
          "netRuntimeMillis": 188,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 218641083,
          "netRuntimeMillis": 169,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 250240583,
          "netRuntimeMillis": 188,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 187070792,
          "netRuntimeMillis": 157,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 225746709,
          "netRuntimeMillis": 178,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 204212583,
          "netRuntimeMillis": 170,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 195408000,
          "netRuntimeMillis": 151,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 250789875,
          "netRuntimeMillis": 174,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 188308834,
          "netRuntimeMillis": 146,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 286311667,
          "netRuntimeMillis": 187,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 210086417,
          "netRuntimeMillis": 136,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 199979625,
          "netRuntimeMillis": 163,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 201169417,
          "netRuntimeMillis": 151,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 267636959,
          "netRuntimeMillis": 191,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 210398084,
          "netRuntimeMillis": 162,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 225039583,
          "netRuntimeMillis": 152,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 260318500,
          "netRuntimeMillis": 162,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 206571000,
          "netRuntimeMillis": 136,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 227443334,
          "netRuntimeMillis": 173,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 184560625,
          "netRuntimeMillis": 156,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 111904417,
          "netRuntimeMillis": 89,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 188773334,
          "netRuntimeMillis": 143,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 245579792,
          "netRuntimeMillis": 172,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 198797916,
          "netRuntimeMillis": 154,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 251363458,
          "netRuntimeMillis": 153,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 564842292,
          "netRuntimeMillis": 540,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 274649208,
          "netRuntimeMillis": 249,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 288849958,
          "netRuntimeMillis": 227,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 311902792,
          "netRuntimeMillis": 231,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 318253042,
          "netRuntimeMillis": 221,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 349613916,
          "netRuntimeMillis": 261,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 317315209,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 406402333,
          "netRuntimeMillis": 333,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 192843459,
          "netRuntimeMillis": 170,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 354804709,
          "netRuntimeMillis": 255,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 285743042,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 235790125,
          "netRuntimeMillis": 197,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 320401208,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 236447959,
          "netRuntimeMillis": 190,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 309752958,
          "netRuntimeMillis": 243,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 216487209,
          "netRuntimeMillis": 179,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 278670125,
          "netRuntimeMillis": 258,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 251207042,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 278836333,
          "netRuntimeMillis": 224,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 176557625,
          "netRuntimeMillis": 156,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 209390250,
          "netRuntimeMillis": 182,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 250312916,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 140843583,
          "netRuntimeMillis": 117,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 192674959,
          "netRuntimeMillis": 161,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 140358208,
          "netRuntimeMillis": 108,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 307836250,
          "netRuntimeMillis": 254,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 204420375,
          "netRuntimeMillis": 184,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 279601792,
          "netRuntimeMillis": 245,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 178497000,
          "netRuntimeMillis": 157,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 225756958,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 321242375,
          "netRuntimeMillis": 230,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 256187833,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 207828041,
          "netRuntimeMillis": 182,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 269792000,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 232449125,
          "netRuntimeMillis": 197,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 251720958,
          "netRuntimeMillis": 212,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 199081292,
          "netRuntimeMillis": 174,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 235207375,
          "netRuntimeMillis": 201,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 244481792,
          "netRuntimeMillis": 221,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 272713583,
          "netRuntimeMillis": 206,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 237869083,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 247469750,
          "netRuntimeMillis": 197,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 252852125,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 276525708,
          "netRuntimeMillis": 203,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 234542666,
          "netRuntimeMillis": 202,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 220865792,
          "netRuntimeMillis": 182,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 310468708,
          "netRuntimeMillis": 237,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 241831792,
          "netRuntimeMillis": 192,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 218487833,
          "netRuntimeMillis": 197,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 277024833,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 222196208,
          "netRuntimeMillis": 170,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 220379584,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 188323125,
          "netRuntimeMillis": 166,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 227434333,
          "netRuntimeMillis": 195,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 208363041,
          "netRuntimeMillis": 173,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 274354583,
          "netRuntimeMillis": 200,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 276308208,
          "netRuntimeMillis": 203,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 214044000,
          "netRuntimeMillis": 194,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 274139250,
          "netRuntimeMillis": 242,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 233738708,
          "netRuntimeMillis": 175,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 260209625,
          "netRuntimeMillis": 236,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 239141833,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 210137708,
          "netRuntimeMillis": 187,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 238046542,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 219402333,
          "netRuntimeMillis": 175,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 279971875,
          "netRuntimeMillis": 249,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 205508791,
          "netRuntimeMillis": 185,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 282072417,
          "netRuntimeMillis": 251,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 232056417,
          "netRuntimeMillis": 212,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 334061666,
          "netRuntimeMillis": 264,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 311142417,
          "netRuntimeMillis": 264,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 213594542,
          "netRuntimeMillis": 181,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 308152542,
          "netRuntimeMillis": 277,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 255397542,
          "netRuntimeMillis": 182,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 246267709,
          "netRuntimeMillis": 226,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 218627958,
          "netRuntimeMillis": 187,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 265558042,
          "netRuntimeMillis": 221,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 275471750,
          "netRuntimeMillis": 230,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 289460166,
          "netRuntimeMillis": 245,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 266143334,
          "netRuntimeMillis": 220,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 213250084,
          "netRuntimeMillis": 176,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 310837916,
          "netRuntimeMillis": 240,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 193054167,
          "netRuntimeMillis": 172,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 257887875,
          "netRuntimeMillis": 228,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 228873042,
          "netRuntimeMillis": 175,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 290761708,
          "netRuntimeMillis": 247,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 238985250,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 283072250,
          "netRuntimeMillis": 251,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 284392042,
          "netRuntimeMillis": 214,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 200391166,
          "netRuntimeMillis": 181,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 542483417,
          "netRuntimeMillis": 485,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 242846458,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 188279458,
          "netRuntimeMillis": 168,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 265752291,
          "netRuntimeMillis": 246,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 190153875,
          "netRuntimeMillis": 170,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 288670250,
          "netRuntimeMillis": 267,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 190739916,
          "netRuntimeMillis": 169,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 226654208,
          "netRuntimeMillis": 206,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 216547166,
          "netRuntimeMillis": 195,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 225546750,
          "netRuntimeMillis": 207,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 216611209,
          "netRuntimeMillis": 197,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 190331583,
          "netRuntimeMillis": 171,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 277244292,
          "netRuntimeMillis": 257,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 249608250,
          "netRuntimeMillis": 229,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 227415583,
          "netRuntimeMillis": 208,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 190564584,
          "netRuntimeMillis": 171,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 287469917,
          "netRuntimeMillis": 269,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 281620542,
          "netRuntimeMillis": 260,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 226417125,
          "netRuntimeMillis": 207,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 214337833,
          "netRuntimeMillis": 195,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 191177709,
          "netRuntimeMillis": 172,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 266481708,
          "netRuntimeMillis": 245,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 188224916,
          "netRuntimeMillis": 169,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 286765417,
          "netRuntimeMillis": 268,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 190400542,
          "netRuntimeMillis": 170,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 275455125,
          "netRuntimeMillis": 257,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 222145667,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 240073417,
          "netRuntimeMillis": 221,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 278691750,
          "netRuntimeMillis": 259,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 171674500,
          "netRuntimeMillis": 150,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "phase": "direct string copy only"
    },
    {
      "javaVersion": "17.0.17",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "flinkVersion": "2.2.1",
      "paimonVersion": "2.1.0",
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "sourceBatchRows": 8192,
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1336079708,
          "netRuntimeMillis": 800,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 516637292,
          "netRuntimeMillis": 310,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 249771292,
          "netRuntimeMillis": 211,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 245594542,
          "netRuntimeMillis": 186,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 171549084,
          "netRuntimeMillis": 136,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 208462625,
          "netRuntimeMillis": 170,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 180003500,
          "netRuntimeMillis": 146,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 231553125,
          "netRuntimeMillis": 179,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 262216625,
          "netRuntimeMillis": 176,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 126984125,
          "netRuntimeMillis": 100,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 267818667,
          "netRuntimeMillis": 189,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 178488083,
          "netRuntimeMillis": 143,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 119870709,
          "netRuntimeMillis": 92,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 158140584,
          "netRuntimeMillis": 128,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 201370459,
          "netRuntimeMillis": 159,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 191566583,
          "netRuntimeMillis": 151,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 196749583,
          "netRuntimeMillis": 161,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 190359584,
          "netRuntimeMillis": 165,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 183681125,
          "netRuntimeMillis": 158,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 183068000,
          "netRuntimeMillis": 158,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 160956792,
          "netRuntimeMillis": 128,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 183229834,
          "netRuntimeMillis": 152,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 209577458,
          "netRuntimeMillis": 139,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 192291083,
          "netRuntimeMillis": 163,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 171487875,
          "netRuntimeMillis": 143,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 229211167,
          "netRuntimeMillis": 182,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 233162583,
          "netRuntimeMillis": 165,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 230568458,
          "netRuntimeMillis": 175,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 236089083,
          "netRuntimeMillis": 169,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 203844250,
          "netRuntimeMillis": 136,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 553290583,
          "netRuntimeMillis": 526,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 304016666,
          "netRuntimeMillis": 271,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 274885459,
          "netRuntimeMillis": 213,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 273629208,
          "netRuntimeMillis": 250,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 317175333,
          "netRuntimeMillis": 255,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 282703416,
          "netRuntimeMillis": 257,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 157383375,
          "netRuntimeMillis": 131,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 274873375,
          "netRuntimeMillis": 242,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 296000625,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 324856625,
          "netRuntimeMillis": 273,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 295783500,
          "netRuntimeMillis": 246,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 226443000,
          "netRuntimeMillis": 203,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 191101375,
          "netRuntimeMillis": 169,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 231219583,
          "netRuntimeMillis": 200,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 255679334,
          "netRuntimeMillis": 235,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 158757833,
          "netRuntimeMillis": 137,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 277053500,
          "netRuntimeMillis": 230,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 255166666,
          "netRuntimeMillis": 233,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 267541417,
          "netRuntimeMillis": 244,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 281390083,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 153209459,
          "netRuntimeMillis": 129,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 192068667,
          "netRuntimeMillis": 167,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 274383125,
          "netRuntimeMillis": 214,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 264572750,
          "netRuntimeMillis": 241,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 153902917,
          "netRuntimeMillis": 131,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 194287125,
          "netRuntimeMillis": 172,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 261102167,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 195934208,
          "netRuntimeMillis": 172,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 244770708,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 217635834,
          "netRuntimeMillis": 189,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 370986209,
          "netRuntimeMillis": 289,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 269885833,
          "netRuntimeMillis": 241,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 220146666,
          "netRuntimeMillis": 192,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 241761292,
          "netRuntimeMillis": 214,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 214005500,
          "netRuntimeMillis": 188,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 237382166,
          "netRuntimeMillis": 213,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 244022083,
          "netRuntimeMillis": 190,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 278062584,
          "netRuntimeMillis": 222,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 281991125,
          "netRuntimeMillis": 248,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 246584708,
          "netRuntimeMillis": 222,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 257637625,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 227167125,
          "netRuntimeMillis": 201,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 284214708,
          "netRuntimeMillis": 238,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 231521917,
          "netRuntimeMillis": 200,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 237960542,
          "netRuntimeMillis": 215,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 208892125,
          "netRuntimeMillis": 184,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 271957959,
          "netRuntimeMillis": 238,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 233935416,
          "netRuntimeMillis": 210,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 263195625,
          "netRuntimeMillis": 205,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 300413541,
          "netRuntimeMillis": 241,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 233495000,
          "netRuntimeMillis": 195,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 284287041,
          "netRuntimeMillis": 224,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 245717250,
          "netRuntimeMillis": 196,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 230078667,
          "netRuntimeMillis": 206,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 219199833,
          "netRuntimeMillis": 188,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 238308917,
          "netRuntimeMillis": 215,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 259432416,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 257320959,
          "netRuntimeMillis": 234,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 270558125,
          "netRuntimeMillis": 211,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 206752208,
          "netRuntimeMillis": 182,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 264563500,
          "netRuntimeMillis": 239,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 310122167,
          "netRuntimeMillis": 288,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 228199375,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 267667250,
          "netRuntimeMillis": 246,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 238368834,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 261089459,
          "netRuntimeMillis": 237,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 207292208,
          "netRuntimeMillis": 185,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 254938417,
          "netRuntimeMillis": 234,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 245770708,
          "netRuntimeMillis": 224,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 253336833,
          "netRuntimeMillis": 232,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 243575583,
          "netRuntimeMillis": 221,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 209472709,
          "netRuntimeMillis": 187,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 237815750,
          "netRuntimeMillis": 215,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 217012834,
          "netRuntimeMillis": 195,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 263165458,
          "netRuntimeMillis": 235,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 215573208,
          "netRuntimeMillis": 194,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 245143084,
          "netRuntimeMillis": 224,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 242762458,
          "netRuntimeMillis": 218,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 250812583,
          "netRuntimeMillis": 230,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 241083083,
          "netRuntimeMillis": 220,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 220726250,
          "netRuntimeMillis": 188,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 256279667,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 206911583,
          "netRuntimeMillis": 185,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 249076334,
          "netRuntimeMillis": 229,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 209992667,
          "netRuntimeMillis": 188,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 256509542,
          "netRuntimeMillis": 235,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 245379375,
          "netRuntimeMillis": 224,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 251818000,
          "netRuntimeMillis": 230,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 242221291,
          "netRuntimeMillis": 220,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 217534416,
          "netRuntimeMillis": 195,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 570408166,
          "netRuntimeMillis": 534,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 359931917,
          "netRuntimeMillis": 328,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 192862792,
          "netRuntimeMillis": 171,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 282120791,
          "netRuntimeMillis": 256,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 197303167,
          "netRuntimeMillis": 168,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 292300583,
          "netRuntimeMillis": 272,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 201690042,
          "netRuntimeMillis": 180,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 295378209,
          "netRuntimeMillis": 268,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 237483875,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 311786208,
          "netRuntimeMillis": 263,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 222237000,
          "netRuntimeMillis": 201,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 262429167,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 250676375,
          "netRuntimeMillis": 229,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 198559250,
          "netRuntimeMillis": 177,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 284759709,
          "netRuntimeMillis": 265,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 250486792,
          "netRuntimeMillis": 229,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 228461125,
          "netRuntimeMillis": 209,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 223538333,
          "netRuntimeMillis": 203,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 235065875,
          "netRuntimeMillis": 210,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 216865083,
          "netRuntimeMillis": 196,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 193498459,
          "netRuntimeMillis": 171,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 299735166,
          "netRuntimeMillis": 258,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 273208334,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 314907042,
          "netRuntimeMillis": 264,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 192999709,
          "netRuntimeMillis": 172,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 236901917,
          "netRuntimeMillis": 217,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 280090125,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 223235708,
          "netRuntimeMillis": 203,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 214142709,
          "netRuntimeMillis": 194,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 177290750,
          "netRuntimeMillis": 156,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "phase": "direct string copy and full 4096-row buffering"
    },
    {
      "javaVersion": "11.0.28",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "sourceBatchRows": 8192,
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1489678542,
          "netRuntimeMillis": 786,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 1405394875,
          "netRuntimeMillis": 738,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 479034292,
          "netRuntimeMillis": 341,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 345870167,
          "netRuntimeMillis": 230,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 281977209,
          "netRuntimeMillis": 170,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 384692792,
          "netRuntimeMillis": 270,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 398776708,
          "netRuntimeMillis": 362,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 328412625,
          "netRuntimeMillis": 294,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 379443292,
          "netRuntimeMillis": 283,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 326745000,
          "netRuntimeMillis": 282,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 323338583,
          "netRuntimeMillis": 255,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 327245041,
          "netRuntimeMillis": 234,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 339091458,
          "netRuntimeMillis": 308,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 236127083,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 344350792,
          "netRuntimeMillis": 292,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 251934708,
          "netRuntimeMillis": 221,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 411807041,
          "netRuntimeMillis": 307,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 271855667,
          "netRuntimeMillis": 210,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 287892167,
          "netRuntimeMillis": 236,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 250313375,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 231941666,
          "netRuntimeMillis": 156,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 312285041,
          "netRuntimeMillis": 209,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 271912500,
          "netRuntimeMillis": 169,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 245916959,
          "netRuntimeMillis": 196,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 200660333,
          "netRuntimeMillis": 172,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 248782541,
          "netRuntimeMillis": 203,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 224118417,
          "netRuntimeMillis": 194,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 248607541,
          "netRuntimeMillis": 206,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 280885208,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 255756875,
          "netRuntimeMillis": 175,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 629444792,
          "netRuntimeMillis": 566,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 386258000,
          "netRuntimeMillis": 329,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 396022334,
          "netRuntimeMillis": 302,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 397646125,
          "netRuntimeMillis": 372,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 366376625,
          "netRuntimeMillis": 265,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 390944958,
          "netRuntimeMillis": 342,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 343557834,
          "netRuntimeMillis": 296,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 407634583,
          "netRuntimeMillis": 328,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 339006000,
          "netRuntimeMillis": 312,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 367861667,
          "netRuntimeMillis": 324,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 314989375,
          "netRuntimeMillis": 283,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 329274500,
          "netRuntimeMillis": 282,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 422330083,
          "netRuntimeMillis": 325,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 299451459,
          "netRuntimeMillis": 273,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 365190000,
          "netRuntimeMillis": 338,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 322341916,
          "netRuntimeMillis": 272,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 397854125,
          "netRuntimeMillis": 318,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 407954667,
          "netRuntimeMillis": 309,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 371920833,
          "netRuntimeMillis": 323,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 421221500,
          "netRuntimeMillis": 320,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 295295375,
          "netRuntimeMillis": 262,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 345152458,
          "netRuntimeMillis": 297,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 336949083,
          "netRuntimeMillis": 290,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 338795625,
          "netRuntimeMillis": 314,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 309810458,
          "netRuntimeMillis": 279,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 408275917,
          "netRuntimeMillis": 307,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 382142583,
          "netRuntimeMillis": 325,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 398075708,
          "netRuntimeMillis": 305,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 366590667,
          "netRuntimeMillis": 308,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 359229250,
          "netRuntimeMillis": 274,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 461585375,
          "netRuntimeMillis": 316,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 400103750,
          "netRuntimeMillis": 309,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 306923083,
          "netRuntimeMillis": 268,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 343653375,
          "netRuntimeMillis": 290,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 314789917,
          "netRuntimeMillis": 251,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 339474583,
          "netRuntimeMillis": 277,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 311960000,
          "netRuntimeMillis": 253,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 316515416,
          "netRuntimeMillis": 278,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 327355708,
          "netRuntimeMillis": 288,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 343628541,
          "netRuntimeMillis": 307,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 291052875,
          "netRuntimeMillis": 262,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 288558417,
          "netRuntimeMillis": 251,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 322831916,
          "netRuntimeMillis": 262,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 297381459,
          "netRuntimeMillis": 260,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 304082166,
          "netRuntimeMillis": 277,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 371166125,
          "netRuntimeMillis": 266,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 359656500,
          "netRuntimeMillis": 281,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 314305625,
          "netRuntimeMillis": 279,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 311261542,
          "netRuntimeMillis": 261,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 379777583,
          "netRuntimeMillis": 277,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 366032375,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 316780125,
          "netRuntimeMillis": 266,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 282636458,
          "netRuntimeMillis": 256,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 299077792,
          "netRuntimeMillis": 273,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 275760083,
          "netRuntimeMillis": 233,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 307913542,
          "netRuntimeMillis": 269,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 351832958,
          "netRuntimeMillis": 272,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 345023458,
          "netRuntimeMillis": 295,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 295162625,
          "netRuntimeMillis": 269,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 365743834,
          "netRuntimeMillis": 263,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 430700500,
          "netRuntimeMillis": 339,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 395100166,
          "netRuntimeMillis": 323,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 335046125,
          "netRuntimeMillis": 286,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 370011625,
          "netRuntimeMillis": 298,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 357295917,
          "netRuntimeMillis": 307,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 426043917,
          "netRuntimeMillis": 324,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 318873209,
          "netRuntimeMillis": 292,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 374666875,
          "netRuntimeMillis": 327,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 356687125,
          "netRuntimeMillis": 309,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 414986125,
          "netRuntimeMillis": 337,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 399940584,
          "netRuntimeMillis": 323,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 333837250,
          "netRuntimeMillis": 297,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 455385166,
          "netRuntimeMillis": 353,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 347161208,
          "netRuntimeMillis": 275,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 422249542,
          "netRuntimeMillis": 321,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 417385500,
          "netRuntimeMillis": 330,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 374683333,
          "netRuntimeMillis": 326,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 374440583,
          "netRuntimeMillis": 318,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 407609708,
          "netRuntimeMillis": 339,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 403923459,
          "netRuntimeMillis": 303,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 366539875,
          "netRuntimeMillis": 318,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 347391917,
          "netRuntimeMillis": 275,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 330532250,
          "netRuntimeMillis": 268,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 434909583,
          "netRuntimeMillis": 386,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 416244833,
          "netRuntimeMillis": 359,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 374520166,
          "netRuntimeMillis": 326,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 427152209,
          "netRuntimeMillis": 370,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 392832084,
          "netRuntimeMillis": 364,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 393771666,
          "netRuntimeMillis": 369,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 295110958,
          "netRuntimeMillis": 239,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 803221917,
          "netRuntimeMillis": 722,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 432884709,
          "netRuntimeMillis": 357,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 367169083,
          "netRuntimeMillis": 265,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 381387333,
          "netRuntimeMillis": 347,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 322035750,
          "netRuntimeMillis": 264,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 488345875,
          "netRuntimeMillis": 388,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 249800833,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 390341583,
          "netRuntimeMillis": 341,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 426103750,
          "netRuntimeMillis": 323,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 394132833,
          "netRuntimeMillis": 348,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 322107000,
          "netRuntimeMillis": 288,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 290103083,
          "netRuntimeMillis": 266,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 386147959,
          "netRuntimeMillis": 287,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 286372542,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 365938792,
          "netRuntimeMillis": 319,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 370490000,
          "netRuntimeMillis": 321,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 358955750,
          "netRuntimeMillis": 328,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 442159292,
          "netRuntimeMillis": 395,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 412285458,
          "netRuntimeMillis": 325,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 342210666,
          "netRuntimeMillis": 312,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 485209500,
          "netRuntimeMillis": 459,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 421666917,
          "netRuntimeMillis": 346,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 471898750,
          "netRuntimeMillis": 371,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 355876459,
          "netRuntimeMillis": 310,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 745911625,
          "netRuntimeMillis": 720,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 884722375,
          "netRuntimeMillis": 850,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 391869709,
          "netRuntimeMillis": 368,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 416613917,
          "netRuntimeMillis": 393,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 479665667,
          "netRuntimeMillis": 432,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 482540625,
          "netRuntimeMillis": 381,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "flinkVersion": "1.18.1",
      "paimonVersion": "2.0.0",
      "nativeProfile": "release --features mimalloc",
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "phase": "current direct string copy and full 4096-row buffering; TPC-DS engine additions",
      "interpretation": "Four operation medians faster than stock and previous; clustering slower (0.835x stock / 0.830x previous). Shared-host variability retained; pending profile.",
      "nativeLibrarySha256": {
        "libstreamfusion.dylib": "3fc2e45e212b92cc9ec50e79ac104fee16067245e717cbad09f6c222b7aa6d4a",
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      }
    },
    {
      "javaVersion": "17.0.17",
      "os": "Mac OS X aarch64",
      "inputRows": 1000000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "sourceBatchRows": 8192,
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1813730250,
          "netRuntimeMillis": 1181,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 934400083,
          "netRuntimeMillis": 559,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 415095208,
          "netRuntimeMillis": 313,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 407869250,
          "netRuntimeMillis": 364,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 301671208,
          "netRuntimeMillis": 250,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 392024500,
          "netRuntimeMillis": 361,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 332845833,
          "netRuntimeMillis": 256,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 472705625,
          "netRuntimeMillis": 438,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 348190791,
          "netRuntimeMillis": 319,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 618809292,
          "netRuntimeMillis": 546,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 336627792,
          "netRuntimeMillis": 304,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 339006292,
          "netRuntimeMillis": 245,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 383115917,
          "netRuntimeMillis": 331,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 310145542,
          "netRuntimeMillis": 277,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 389286333,
          "netRuntimeMillis": 341,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 276405250,
          "netRuntimeMillis": 246,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 386482084,
          "netRuntimeMillis": 356,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 400478958,
          "netRuntimeMillis": 323,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 404989792,
          "netRuntimeMillis": 350,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 362357083,
          "netRuntimeMillis": 304,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 267807209,
          "netRuntimeMillis": 234,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 375183833,
          "netRuntimeMillis": 345,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 382507417,
          "netRuntimeMillis": 318,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 461395375,
          "netRuntimeMillis": 360,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 375095750,
          "netRuntimeMillis": 275,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 397510958,
          "netRuntimeMillis": 371,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 359229209,
          "netRuntimeMillis": 309,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 405989125,
          "netRuntimeMillis": 361,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 379047292,
          "netRuntimeMillis": 330,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 291677833,
          "netRuntimeMillis": 243,
          "sourceRows": 1000000,
          "nativeFiles": 7,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1020821250,
          "netRuntimeMillis": 995,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 673841292,
          "netRuntimeMillis": 570,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 634851500,
          "netRuntimeMillis": 530,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 633613750,
          "netRuntimeMillis": 563,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 487708584,
          "netRuntimeMillis": 458,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 599256750,
          "netRuntimeMillis": 565,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 576402416,
          "netRuntimeMillis": 497,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 702730625,
          "netRuntimeMillis": 642,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 583274334,
          "netRuntimeMillis": 546,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 692706542,
          "netRuntimeMillis": 651,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 784588458,
          "netRuntimeMillis": 748,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 502717292,
          "netRuntimeMillis": 437,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 643724667,
          "netRuntimeMillis": 566,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 511256917,
          "netRuntimeMillis": 482,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 694023458,
          "netRuntimeMillis": 653,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 541569333,
          "netRuntimeMillis": 475,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 615830542,
          "netRuntimeMillis": 590,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 658618208,
          "netRuntimeMillis": 596,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 653667083,
          "netRuntimeMillis": 601,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 605342875,
          "netRuntimeMillis": 576,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 542904791,
          "netRuntimeMillis": 513,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 645702792,
          "netRuntimeMillis": 596,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 569291166,
          "netRuntimeMillis": 533,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 610934375,
          "netRuntimeMillis": 581,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 522799875,
          "netRuntimeMillis": 490,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 669221208,
          "netRuntimeMillis": 619,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 589428084,
          "netRuntimeMillis": 534,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 645205125,
          "netRuntimeMillis": 614,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 551047125,
          "netRuntimeMillis": 514,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 478185167,
          "netRuntimeMillis": 451,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 683336500,
          "netRuntimeMillis": 615,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 577002041,
          "netRuntimeMillis": 512,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 511031250,
          "netRuntimeMillis": 435,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 586549333,
          "netRuntimeMillis": 498,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 516867709,
          "netRuntimeMillis": 469,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 637531958,
          "netRuntimeMillis": 565,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 493842000,
          "netRuntimeMillis": 446,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 520601375,
          "netRuntimeMillis": 495,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 512133958,
          "netRuntimeMillis": 486,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 539356583,
          "netRuntimeMillis": 459,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 543380375,
          "netRuntimeMillis": 479,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 526307542,
          "netRuntimeMillis": 472,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 536141625,
          "netRuntimeMillis": 508,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 496838166,
          "netRuntimeMillis": 470,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 496390833,
          "netRuntimeMillis": 469,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 457128125,
          "netRuntimeMillis": 428,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 511267958,
          "netRuntimeMillis": 475,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 673346375,
          "netRuntimeMillis": 592,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 533166458,
          "netRuntimeMillis": 461,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 538960666,
          "netRuntimeMillis": 503,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 679735833,
          "netRuntimeMillis": 620,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 528156083,
          "netRuntimeMillis": 466,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 448907291,
          "netRuntimeMillis": 408,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 604720042,
          "netRuntimeMillis": 567,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 500289959,
          "netRuntimeMillis": 428,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 513167458,
          "netRuntimeMillis": 475,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 836261375,
          "netRuntimeMillis": 788,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 474425292,
          "netRuntimeMillis": 449,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 544924000,
          "netRuntimeMillis": 490,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 1000000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 504407708,
          "netRuntimeMillis": 432,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 1000000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 620831791,
          "netRuntimeMillis": 585,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 542897292,
          "netRuntimeMillis": 506,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 563726667,
          "netRuntimeMillis": 466,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 570282625,
          "netRuntimeMillis": 529,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 702045584,
          "netRuntimeMillis": 658,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 722859167,
          "netRuntimeMillis": 677,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 498921834,
          "netRuntimeMillis": 446,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 649399500,
          "netRuntimeMillis": 577,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 615346375,
          "netRuntimeMillis": 555,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 648791500,
          "netRuntimeMillis": 593,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 649585250,
          "netRuntimeMillis": 620,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 540666709,
          "netRuntimeMillis": 487,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 641171959,
          "netRuntimeMillis": 594,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 549542417,
          "netRuntimeMillis": 484,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 874425291,
          "netRuntimeMillis": 841,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 519519625,
          "netRuntimeMillis": 490,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 1804215625,
          "netRuntimeMillis": 1694,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 714019458,
          "netRuntimeMillis": 652,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 732226750,
          "netRuntimeMillis": 704,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 614310916,
          "netRuntimeMillis": 585,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 530881416,
          "netRuntimeMillis": 463,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 558487125,
          "netRuntimeMillis": 522,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 465818916,
          "netRuntimeMillis": 431,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 620282583,
          "netRuntimeMillis": 589,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 496926000,
          "netRuntimeMillis": 458,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 664719750,
          "netRuntimeMillis": 566,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 570208208,
          "netRuntimeMillis": 538,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 576862916,
          "netRuntimeMillis": 553,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 618967292,
          "netRuntimeMillis": 537,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 497210708,
          "netRuntimeMillis": 466,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1426223208,
          "netRuntimeMillis": 1374,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 879670916,
          "netRuntimeMillis": 843,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 657968208,
          "netRuntimeMillis": 624,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 731242875,
          "netRuntimeMillis": 697,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 658810834,
          "netRuntimeMillis": 610,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 816412542,
          "netRuntimeMillis": 794,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 744205542,
          "netRuntimeMillis": 695,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 845962208,
          "netRuntimeMillis": 770,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 779633542,
          "netRuntimeMillis": 751,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 823203500,
          "netRuntimeMillis": 786,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 956555083,
          "netRuntimeMillis": 936,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 622695625,
          "netRuntimeMillis": 600,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 712087250,
          "netRuntimeMillis": 691,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 644376625,
          "netRuntimeMillis": 620,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 789901709,
          "netRuntimeMillis": 767,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 714310959,
          "netRuntimeMillis": 692,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 840237375,
          "netRuntimeMillis": 813,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 824280791,
          "netRuntimeMillis": 802,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 805011334,
          "netRuntimeMillis": 782,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 778781375,
          "netRuntimeMillis": 754,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 713024791,
          "netRuntimeMillis": 653,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 847289125,
          "netRuntimeMillis": 791,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 890880041,
          "netRuntimeMillis": 660,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 773772000,
          "netRuntimeMillis": 745,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 1078908541,
          "netRuntimeMillis": 934,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 993698417,
          "netRuntimeMillis": 950,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 862442875,
          "netRuntimeMillis": 750,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 755266167,
          "netRuntimeMillis": 734,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 871842125,
          "netRuntimeMillis": 851,
          "sourceRows": 1000000,
          "nativeFiles": 0,
          "validatedRows": 750000
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 890176584,
          "netRuntimeMillis": 820,
          "sourceRows": 1000000,
          "nativeFiles": 14,
          "validatedRows": 750000
        }
      ],
      "flinkVersion": "2.2.1",
      "paimonVersion": "2.1.0",
      "nativeProfile": "release --features mimalloc",
      "sourceRevision": "bdfa739c59699682cbd561c4140183afeb5464ee",
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "phase": "current bdfa after compatibility admission and source initialization",
      "nativeLibrarySha256": {
        "libstreamfusion.dylib": "6805c02879f5af1ebfc7d6c1c226813b2e423142a468346d63ac8f1da59c96e0",
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      }
    },
    {
      "javaVersion": "11.0.28",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "sourceBatchRows": 8192,
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1641302042,
          "netRuntimeMillis": 888,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 766493333,
          "netRuntimeMillis": 434,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 331599916,
          "netRuntimeMillis": 283,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 307041084,
          "netRuntimeMillis": 279,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 237798125,
          "netRuntimeMillis": 204,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 353267791,
          "netRuntimeMillis": 326,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 222876917,
          "netRuntimeMillis": 194,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 265803583,
          "netRuntimeMillis": 247,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 288404708,
          "netRuntimeMillis": 268,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 299039750,
          "netRuntimeMillis": 278,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 283985959,
          "netRuntimeMillis": 262,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 230312125,
          "netRuntimeMillis": 204,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 310020709,
          "netRuntimeMillis": 287,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 191939875,
          "netRuntimeMillis": 173,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 308584333,
          "netRuntimeMillis": 293,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 218091625,
          "netRuntimeMillis": 199,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 204558542,
          "netRuntimeMillis": 189,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 267038916,
          "netRuntimeMillis": 251,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 284932750,
          "netRuntimeMillis": 266,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 252202750,
          "netRuntimeMillis": 237,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 207524500,
          "netRuntimeMillis": 177,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 260971750,
          "netRuntimeMillis": 244,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 218096083,
          "netRuntimeMillis": 200,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 318471583,
          "netRuntimeMillis": 300,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 204575417,
          "netRuntimeMillis": 183,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 266003791,
          "netRuntimeMillis": 250,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 285833208,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 298557459,
          "netRuntimeMillis": 279,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 269985167,
          "netRuntimeMillis": 249,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 189302458,
          "netRuntimeMillis": 176,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 559130666,
          "netRuntimeMillis": 544,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 353998000,
          "netRuntimeMillis": 340,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 286751958,
          "netRuntimeMillis": 273,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 340110583,
          "netRuntimeMillis": 320,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 320155208,
          "netRuntimeMillis": 289,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 248596250,
          "netRuntimeMillis": 238,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 243836500,
          "netRuntimeMillis": 231,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 314271750,
          "netRuntimeMillis": 301,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 346877291,
          "netRuntimeMillis": 332,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 372619459,
          "netRuntimeMillis": 352,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 325971500,
          "netRuntimeMillis": 310,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 229425583,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 386678292,
          "netRuntimeMillis": 372,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 232266292,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 323263625,
          "netRuntimeMillis": 310,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 311597375,
          "netRuntimeMillis": 285,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 403324625,
          "netRuntimeMillis": 389,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 262917666,
          "netRuntimeMillis": 250,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 282800000,
          "netRuntimeMillis": 271,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 270031041,
          "netRuntimeMillis": 255,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 299358584,
          "netRuntimeMillis": 280,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 317150958,
          "netRuntimeMillis": 298,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 224526042,
          "netRuntimeMillis": 209,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 314458834,
          "netRuntimeMillis": 301,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 249907458,
          "netRuntimeMillis": 236,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 371655708,
          "netRuntimeMillis": 355,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 261946792,
          "netRuntimeMillis": 252,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 322358084,
          "netRuntimeMillis": 311,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 339236541,
          "netRuntimeMillis": 328,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 254174834,
          "netRuntimeMillis": 242,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 435440834,
          "netRuntimeMillis": 369,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 430162417,
          "netRuntimeMillis": 383,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 424017917,
          "netRuntimeMillis": 404,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 396327167,
          "netRuntimeMillis": 366,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 348107083,
          "netRuntimeMillis": 316,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 405446167,
          "netRuntimeMillis": 373,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 353386417,
          "netRuntimeMillis": 326,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 356140500,
          "netRuntimeMillis": 336,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 327234375,
          "netRuntimeMillis": 307,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 326120834,
          "netRuntimeMillis": 304,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 323993250,
          "netRuntimeMillis": 307,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 305940958,
          "netRuntimeMillis": 289,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 336595250,
          "netRuntimeMillis": 311,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 357220083,
          "netRuntimeMillis": 340,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 361610208,
          "netRuntimeMillis": 323,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 301546916,
          "netRuntimeMillis": 282,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 330356333,
          "netRuntimeMillis": 313,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 313331958,
          "netRuntimeMillis": 295,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 318457250,
          "netRuntimeMillis": 302,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 307336750,
          "netRuntimeMillis": 293,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 286577958,
          "netRuntimeMillis": 266,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 326929042,
          "netRuntimeMillis": 309,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 384370750,
          "netRuntimeMillis": 368,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 332022875,
          "netRuntimeMillis": 313,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 299509625,
          "netRuntimeMillis": 281,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 308016625,
          "netRuntimeMillis": 291,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 328015875,
          "netRuntimeMillis": 312,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 296691833,
          "netRuntimeMillis": 283,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 311699958,
          "netRuntimeMillis": 295,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 286133083,
          "netRuntimeMillis": 268,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 353443292,
          "netRuntimeMillis": 339,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 329747292,
          "netRuntimeMillis": 318,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 307661625,
          "netRuntimeMillis": 295,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 330566458,
          "netRuntimeMillis": 318,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 307796333,
          "netRuntimeMillis": 296,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 345686917,
          "netRuntimeMillis": 334,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 289729875,
          "netRuntimeMillis": 277,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 348191458,
          "netRuntimeMillis": 337,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 344579709,
          "netRuntimeMillis": 333,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 350361166,
          "netRuntimeMillis": 336,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 337868833,
          "netRuntimeMillis": 325,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 296238833,
          "netRuntimeMillis": 284,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 339733666,
          "netRuntimeMillis": 329,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 299283333,
          "netRuntimeMillis": 286,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 511634375,
          "netRuntimeMillis": 500,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 303797041,
          "netRuntimeMillis": 289,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 371289875,
          "netRuntimeMillis": 359,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 354730125,
          "netRuntimeMillis": 342,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 365470833,
          "netRuntimeMillis": 354,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 342054625,
          "netRuntimeMillis": 332,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 293873167,
          "netRuntimeMillis": 280,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 332621291,
          "netRuntimeMillis": 320,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 360953750,
          "netRuntimeMillis": 348,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 340776875,
          "netRuntimeMillis": 329,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 288299125,
          "netRuntimeMillis": 277,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 337072542,
          "netRuntimeMillis": 326,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 343689792,
          "netRuntimeMillis": 331,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 338177958,
          "netRuntimeMillis": 326,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 367901125,
          "netRuntimeMillis": 355,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 325433041,
          "netRuntimeMillis": 313,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 672397250,
          "netRuntimeMillis": 629,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 337145584,
          "netRuntimeMillis": 324,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 292483000,
          "netRuntimeMillis": 278,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 272889209,
          "netRuntimeMillis": 257,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 297840084,
          "netRuntimeMillis": 285,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 347550417,
          "netRuntimeMillis": 335,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 294313083,
          "netRuntimeMillis": 280,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 524276458,
          "netRuntimeMillis": 514,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 286543917,
          "netRuntimeMillis": 274,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 331093000,
          "netRuntimeMillis": 321,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 326782209,
          "netRuntimeMillis": 312,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 315366667,
          "netRuntimeMillis": 302,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 313093750,
          "netRuntimeMillis": 299,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 288079958,
          "netRuntimeMillis": 276,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 280572375,
          "netRuntimeMillis": 268,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 278472417,
          "netRuntimeMillis": 266,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 251564958,
          "netRuntimeMillis": 242,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 341496000,
          "netRuntimeMillis": 331,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 321230916,
          "netRuntimeMillis": 311,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 318126500,
          "netRuntimeMillis": 306,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 227809625,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 311866000,
          "netRuntimeMillis": 300,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 223559917,
          "netRuntimeMillis": 213,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 341699000,
          "netRuntimeMillis": 332,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 323801250,
          "netRuntimeMillis": 312,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 336236541,
          "netRuntimeMillis": 323,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 330185333,
          "netRuntimeMillis": 317,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 351245500,
          "netRuntimeMillis": 341,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 264826583,
          "netRuntimeMillis": 255,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 298008125,
          "netRuntimeMillis": 286,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "flinkVersion": "1.18.1",
      "paimonVersion": "1.0.0",
      "nativeProfile": "release --features mimalloc",
      "sourceRevision": "bdfa739c59699682cbd561c4140183afeb5464ee",
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "phase": "current bdfa after compatibility admission and source initialization",
      "nativeLibrarySha256": {
        "libstreamfusion.dylib": "6805c02879f5af1ebfc7d6c1c226813b2e423142a468346d63ac8f1da59c96e0",
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      }
    }
  ],
  "initialObservations": [
    {
      "javaVersion": "11.0.28",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 2,
      "trials": 5,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 297043917,
          "netRuntimeMillis": 274,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 187487083,
          "netRuntimeMillis": 160,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 209297542,
          "netRuntimeMillis": 137,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 169431542,
          "netRuntimeMillis": 148,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 180900417,
          "netRuntimeMillis": 125,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 219519792,
          "netRuntimeMillis": 190,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 163245875,
          "netRuntimeMillis": 138,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 204229292,
          "netRuntimeMillis": 183,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 186365458,
          "netRuntimeMillis": 148,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 215202958,
          "netRuntimeMillis": 179,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 187908292,
          "netRuntimeMillis": 149,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 162225041,
          "netRuntimeMillis": 119,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 220393625,
          "netRuntimeMillis": 140,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 143803375,
          "netRuntimeMillis": 122,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 239812709,
          "netRuntimeMillis": 159,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 202665417,
          "netRuntimeMillis": 122,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 231791167,
          "netRuntimeMillis": 153,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 173983125,
          "netRuntimeMillis": 144,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 195646750,
          "netRuntimeMillis": 153,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 251165583,
          "netRuntimeMillis": 142,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-append",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 209576083,
          "netRuntimeMillis": 121,
          "sourceRows": 250000,
          "nativeFiles": 7,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 485458833,
          "netRuntimeMillis": 398,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 247345000,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 254256917,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 388684292,
          "netRuntimeMillis": 230,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 354062042,
          "netRuntimeMillis": 195,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 286389375,
          "netRuntimeMillis": 243,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 356520500,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 285851375,
          "netRuntimeMillis": 233,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 389438833,
          "netRuntimeMillis": 223,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 401468083,
          "netRuntimeMillis": 242,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 312638708,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 286279583,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 321112375,
          "netRuntimeMillis": 234,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 309783083,
          "netRuntimeMillis": 199,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 325464541,
          "netRuntimeMillis": 238,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 286113166,
          "netRuntimeMillis": 200,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 328194667,
          "netRuntimeMillis": 242,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 385515917,
          "netRuntimeMillis": 228,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 273415333,
          "netRuntimeMillis": 243,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 318985917,
          "netRuntimeMillis": 232,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "overwrite-key",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 373260500,
          "netRuntimeMillis": 205,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 253329541,
          "netRuntimeMillis": 230,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 338132666,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 235028334,
          "netRuntimeMillis": 211,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 319625583,
          "netRuntimeMillis": 230,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 230359500,
          "netRuntimeMillis": 207,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 356555541,
          "netRuntimeMillis": 268,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 380790792,
          "netRuntimeMillis": 217,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 318957125,
          "netRuntimeMillis": 231,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 249455041,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 313880125,
          "netRuntimeMillis": 225,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 336814500,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 301143541,
          "netRuntimeMillis": 213,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 393093417,
          "netRuntimeMillis": 225,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 231942542,
          "netRuntimeMillis": 207,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 338505792,
          "netRuntimeMillis": 227,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 288080416,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 372181542,
          "netRuntimeMillis": 232,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 421216458,
          "netRuntimeMillis": 235,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 364020250,
          "netRuntimeMillis": 224,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 379158291,
          "netRuntimeMillis": 221,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 250000
        },
        {
          "operation": "update",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 294900667,
          "netRuntimeMillis": 206,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 250000
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 396124500,
          "netRuntimeMillis": 256,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 311884708,
          "netRuntimeMillis": 241,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 273108917,
          "netRuntimeMillis": 226,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 321548166,
          "netRuntimeMillis": 233,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 296346709,
          "netRuntimeMillis": 208,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 392765291,
          "netRuntimeMillis": 255,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 260002667,
          "netRuntimeMillis": 214,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 338595958,
          "netRuntimeMillis": 251,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 333116750,
          "netRuntimeMillis": 244,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 295539500,
          "netRuntimeMillis": 249,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 267198833,
          "netRuntimeMillis": 245,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 256857750,
          "netRuntimeMillis": 210,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 272809333,
          "netRuntimeMillis": 251,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 380554125,
          "netRuntimeMillis": 212,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 276367292,
          "netRuntimeMillis": 255,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 305992584,
          "netRuntimeMillis": 216,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 282607833,
          "netRuntimeMillis": 252,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 409938333,
          "netRuntimeMillis": 243,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 361683333,
          "netRuntimeMillis": 252,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 397817542,
          "netRuntimeMillis": 240,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 300036125,
          "netRuntimeMillis": 213,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 526707417,
          "netRuntimeMillis": 369,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 364966542,
          "netRuntimeMillis": 311,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 356935208,
          "netRuntimeMillis": 268,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 399523417,
          "netRuntimeMillis": 289,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 342356209,
          "netRuntimeMillis": 255,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 347461833,
          "netRuntimeMillis": 302,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 383866292,
          "netRuntimeMillis": 261,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 394993833,
          "netRuntimeMillis": 309,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 386069625,
          "netRuntimeMillis": 298,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 389904625,
          "netRuntimeMillis": 303,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 442442542,
          "netRuntimeMillis": 285,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 228107250,
          "netRuntimeMillis": 196,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 466895542,
          "netRuntimeMillis": 298,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 220402250,
          "netRuntimeMillis": 198,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 466256709,
          "netRuntimeMillis": 308,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 301914750,
          "netRuntimeMillis": 278,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 398114750,
          "netRuntimeMillis": 310,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 325561084,
          "netRuntimeMillis": 295,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 315251833,
          "netRuntimeMillis": 295,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 381500792,
          "netRuntimeMillis": 294,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 187500
        },
        {
          "operation": "cluster",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 289069500,
          "netRuntimeMillis": 258,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 187500
        }
      ],
      "nativeProfile": "release --features mimalloc",
      "nativeLibrarySha256": {
        "libstreamfusion_parquet.dylib": "abd1e2da8e9ae32bb60425b4b548d2dc71e70e3f936febfc55635f6221c241a7",
        "libstreamfusion_paimon.dylib": "20285416e612111e7d3d6823691d1a92756f2661959b78a91dd08a288cacf03d",
        "libstreamfusion.dylib": "7c3542fe1a6c325789ed726949588badfd367670e8b2052b204bdcc19438ce66",
        "libstreamfusion_orc.dylib": "c1b965fecd914ed2822b05ebd1022504aae98d10fe9a9c26be57a58abdcac641"
      },
      "heap": "8GiB",
      "shuffle": "Arrow IPC",
      "compression": "snappy",
      "payload": "61\u201364 ASCII bytes, 4096 distinct strings, null every 17 rows",
      "rowBatchRows": 4096,
      "rowBatchMemoryThresholdBytes": 8388608,
      "sourceBatchRows": 8192,
      "flinkVersion": "1.18.1",
      "paimonVersion": "2.0.0",
      "phase": "initial"
    }
  ],
  "diagnostics": [
    {
      "javaVersion": "11.0.28",
      "os": "Mac OS X aarch64",
      "inputRows": 250000,
      "parallelism": 2,
      "partitions": 7,
      "nativeBytes": 536870912,
      "warmups": 3,
      "trials": 7,
      "previous": "Same native source/compute with paimonBatchEncoding disabled",
      "timing": "SQL submission through successful final commit; fixture/validation excluded",
      "observations": [
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -3,
          "elapsedNanos": 1506198708,
          "netRuntimeMillis": 875,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -3,
          "elapsedNanos": 750338542,
          "netRuntimeMillis": 411,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -3,
          "elapsedNanos": 321382042,
          "netRuntimeMillis": 277,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -2,
          "elapsedNanos": 298075416,
          "netRuntimeMillis": 255,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -2,
          "elapsedNanos": 261883209,
          "netRuntimeMillis": 224,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -2,
          "elapsedNanos": 307033792,
          "netRuntimeMillis": 272,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": -1,
          "elapsedNanos": 252913250,
          "netRuntimeMillis": 218,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": -1,
          "elapsedNanos": 304189292,
          "netRuntimeMillis": 272,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": -1,
          "elapsedNanos": 291355750,
          "netRuntimeMillis": 258,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 0,
          "elapsedNanos": 310310125,
          "netRuntimeMillis": 279,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 0,
          "elapsedNanos": 284839250,
          "netRuntimeMillis": 252,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 0,
          "elapsedNanos": 257233875,
          "netRuntimeMillis": 222,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 1,
          "elapsedNanos": 280495541,
          "netRuntimeMillis": 249,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 1,
          "elapsedNanos": 240723667,
          "netRuntimeMillis": 210,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 1,
          "elapsedNanos": 285841542,
          "netRuntimeMillis": 257,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 2,
          "elapsedNanos": 238245458,
          "netRuntimeMillis": 207,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 2,
          "elapsedNanos": 280036208,
          "netRuntimeMillis": 252,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 2,
          "elapsedNanos": 270755541,
          "netRuntimeMillis": 243,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 3,
          "elapsedNanos": 284661667,
          "netRuntimeMillis": 256,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 3,
          "elapsedNanos": 281183167,
          "netRuntimeMillis": 251,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 3,
          "elapsedNanos": 248636250,
          "netRuntimeMillis": 219,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 4,
          "elapsedNanos": 262138667,
          "netRuntimeMillis": 231,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 4,
          "elapsedNanos": 229948166,
          "netRuntimeMillis": 202,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 4,
          "elapsedNanos": 267852292,
          "netRuntimeMillis": 241,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 5,
          "elapsedNanos": 230357458,
          "netRuntimeMillis": 203,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 5,
          "elapsedNanos": 273222375,
          "netRuntimeMillis": 246,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 5,
          "elapsedNanos": 259337625,
          "netRuntimeMillis": 233,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "stock",
          "trial": 6,
          "elapsedNanos": 275182042,
          "netRuntimeMillis": 247,
          "sourceRows": 0,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "previous",
          "trial": 6,
          "elapsedNanos": 264220459,
          "netRuntimeMillis": 237,
          "sourceRows": 250000,
          "nativeFiles": 0,
          "validatedRows": 62500
        },
        {
          "operation": "delete",
          "engine": "native",
          "trial": 6,
          "elapsedNanos": 229684750,
          "netRuntimeMillis": 203,
          "sourceRows": 250000,
          "nativeFiles": 14,
          "validatedRows": 62500
        }
      ],
      "flinkVersion": "1.18.1",
      "paimonVersion": "2.0.0",
      "phase": "JFR diagnostic; not a release timing gate"
    }
  ]
}