{
  "schema_version": 1,
  "baseline_revision": "96f98a32",
  "candidate": "Retained partition equality handoff in audit-performance worktree",
  "environment": {
    "jdk": "OpenJDK 17",
    "flink": "2.2.1",
    "paimon": "2.0.0",
    "native_build": "release"
  },
  "methodology": {
    "statistics": "Median, min/max, inclusive interpolated quartiles and IQR; all observations retained.",
    "micro_boundary": "Released scan planning, full consumption of every planned split, file decoding and residual checksum; table generation/commit outside timer.",
    "micro_warmups": 1,
    "micro_observations_per_shape": 3,
    "production_handoff": "PaimonSourceMatcher translates retained partition equalities through ability schemas; physical/exec nodes pass the predicate to NativePaimonSource, which calls ReadBuilder.withFilter before creating ContinuousFileStoreSource. NATIVE_PRUNED uses that same released ReadBuilder API and production NativePaimonSplitReader, but applies the predicate directly rather than through SQL planning.",
    "sql_warmups_per_shape": 1,
    "sql_command": "SF_PAIMON_PARTITION_SQL_BENCHMARK=true SF_PAIMON_PARTITION_ROWS=262144 SF_PAIMON_PARTITION_REPEATS=5 mvn -Pbench,paimon -pl streamfusion-paimon -am -Dnative.build.skip=true -Dtest=PaimonPartitionSqlBenchmark -Dsurefire.failIfNoSpecifiedTests=false test; add SF_PAIMON_PARTITION_REQUIRE_PRUNING=true for the candidate",
    "sql_boundary": "Job startup, live result-prefix collection, Arrow-to-row output and cancellation; planning/setup/oracle outside timer. Only the all-partitions case collects every initial snapshot row.",
    "limitations": [
      "Micro NATIVE_PRUNED is a direct read-builder comparison, not a before/after SQL planner run.",
      "Planned file bytes are metadata totals, not measured I/O bytes or copied bytes.",
      "Per-reader native_files counts actual native opens in the full-drain fixture; it is not a published aggregate SQL job metric.",
      "Selective SQL cancellation can avoid irrelevant decoding; p00/p31 names do not guarantee scheduling order.",
      "Separate JVM runs, startup and short warmup can dominate SQL ratios.",
      "SQL source transformation and optional explain witness verify admission/handoff, not decoded-row counts."
    ]
  },
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    "source_log": "paimon-before.log",
    "planned_partition_orders": [],
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        "selected_rows": 4096,
        "checksum": 268369920,
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        "native_files": 1
      },
      {
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      {
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