{
  "purpose": "Complete-job validation of DropUpdateBefore inside updating UNNEST pipelines and the conservative standalone row-source gate",
  "baseline_commit": "a6ccfaefd901e3dbca5c0052c1d29cc9f3862bd2",
  "flink_version": "2.2.1",
  "java_version": "17",
  "native_library_sha256": "803e0f0cbc25b351dbe3f0fe408d306dfd5f5ca2ff30f7c6edc2c4a40d8f4823",
  "prior_native_library_sha256": "a6bef8b5b9b14fd76c0fab68a573d535edf095ef54df71dfbe5000f769e1b6bb",
  "fixture": "src/test/java/tech/streamfusion/ComputedUnnestBenchmark.java",
  "fixture_sha256": "47cbeccc21fb012a2b51fc85465aaaee319d4cffefa67c257b19500686737bbb",
  "configuration": {
    "maven_profile": "bench",
    "java_heap": "2g",
    "parallelism": 1,
    "transpose_batch_rows": 1024,
    "zero_copy_local": false,
    "timezone": "America/New_York",
    "warmups_per_engine": 2,
    "measured_trials_per_engine": 3,
    "alternating_engine_order": true,
    "one_fresh_JVM_per_profile": true,
    "native_build": "release with mimalloc",
    "source": "rowwise fromSequence/map, BIGINT and ARRAY<BIGINT>, advertised ChangelogMode.all()",
    "sink": "rowwise blackhole",
    "other_builds_tests_timings": "none during complete-job timing"
  },
  "notes": [
    "Both production row/Arrow transposes are asserted for native UNNEST plans; NativeDropUpdateBefore, NativeCalc and NativeUnnest must consume rows. Previous and final standalone fallback plans assert zero substitutions.",
    "allKinds=false preserves the original reproduction: actual INSERT and DELETE rows while advertising all kinds. allKinds=true emits repeating INSERT/UPDATE_BEFORE/UPDATE_AFTER/DELETE for each original row.",
    "The initial standalone native loss is retained. The shipped default avoids that Arrow round trip. Reproduce its native behavior with unnest.standaloneNative=true, which sets streamfusion.dropUpdateBefore.standalone.enabled=true.",
    "Initial standalone results used the same production filter before the default standalone gate was added; the query, data and resources were unchanged.",
    "Candidate and prior phases each retain their own paired stock controls. Their JVM and startup variability is visible in the individual trials; short-job differences are not claims of isolated kernel throughput.",
    "Two additional profiled jobs are diagnostics only and are recorded separately; their elapsed times are excluded here.",
    "The committed fixture was formatted after timing; timed_fixture_sha256 records the measured source, and fixture_sha256 records the formatted source. Only whitespace and equivalent string-literal wrapping changed."
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