{
  "schema_version": 1,
  "date": "2026-10-21",
  "feature": "Shared DISTINCT entry TTL at local/global aggregate flush",
  "base_commit": "5bac618a",
  "source_sha256": {
    "native/engine/src/group_agg.rs": "04687b7bcbb58fdbd94ed7ee2ba1a23396ef96762977cc0c3b2056d3c970e3bd",
    "native/engine/src/group_agg/distinct_retention.rs": "e2905e722a1107deb66313ea591871ae7e018a10be8a44ce691f4c0f16f3d64e",
    "native/engine/src/group_agg/ordered_value.rs": "b6be510c6784d9be7f38d728ef01e9822a289bce9fef5a90e80e7e522f847032",
    "src/main/java/tech/streamfusion/planner/GlobalGroupAggregateMatcher.java": "8e9016632efb97ea7c3391ae35cbe9da860a11a1577bea0037e504bba8da8830",
    "src/test/java/tech/streamfusion/operator/NativeGlobalDistinctRetentionParityTest.java": "0a5018c715ebeec7d3ec89fcd311416feb8c48357f630fed2abd0e1ffdd3b83e",
    "src/test/java/tech/streamfusion/FlinkGlobalDistinctRetentionSqlHarnessTest.java": "d55d4954f450d8949c0f2930c0fe94c4ef0d5dadc2584c5525cf5b6dd11d6eee",
    "src/test/java/tech/streamfusion/DistinctAggregateBenchmark.java": "a8cd53696cc99860bc754a2f036e821e476a9016907e29239e6004ba08ed739d"
  },
  "native_dso_sha256": {
    "candidate": "072a56f6e308adb0a1cfaa1eefb5ae49db4f8daac7dca3665e42dbc80fc0a092",
    "initial": "78de2cc98fae6d0919244da98614ca6f11cc919fec18c2dda560daa33b5f6308",
    "previous": "522165c63dc014fe24ffaa0ef591777cc075648cdb7e683e42e3c4f25ea60f3b",
    "upstream_witness": "22260c0863db953616e680e5912ac05b7e2021e43a1a5c4e72abc9e031c205ad"
  },
  "configuration": {
    "runtime": "JDK17/Linux x86_64",
    "candidate_native": "release+mimalloc",
    "previous_native": "Actual canonical d13e9dc4 production sources and Java runtime, release/system allocator DSO; only matching benchmark fixture copied. Typed profile consumes native local/global; floating profile asserts the released previous planner fallback.",
    "rows": 1000000,
    "keys": 64,
    "parallelism": 1,
    "heap": "2 GiB",
    "backend": "memory",
    "retention_millis": 3600000,
    "phase": "TWO_PHASE",
    "mini_batch_size": 1024,
    "null_every": 7,
    "warmups": 2,
    "trials": 3,
    "boundary": "Alternating conversion-inclusive complete jobs including source, both transposes, JNI, state, blackhole sink; no concurrent builds or tests.",
    "typed_query": "COUNT(DISTINCT BOOLEAN),COUNT(DISTINCT TIMESTAMP_LTZ(9)),SUM(DISTINCT DECIMAL(38,2))",
    "floating_query": "AVG(DISTINCT FLOAT),AVG(DISTINCT DOUBLE),SUM(DISTINCT FLOAT),SUM(DISTINCT DOUBLE)",
    "reproduction": "SF_BENCHMARK=true mvn -Pbench -pl streamfusion-runtime -Dnative.build.skip=true -Dtest=DistinctAggregateBenchmark -Ddistinct.rows=1000000 -Ddistinct.keys=64 -Ddistinct.twoPhase=true -Ddistinct.precision=38 -Ddistinct.retentionMillis=3600000 -Ddistinct.warmup=2 -Ddistinct.runs=3 surefire:test@default-test; floating adds -Ddistinct.floating=true -Ddistinct.floatingSum=true;1.18 adds flink-1.18 profile."
  },
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      "range_seconds": {
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    "native_passed": 854,
    "native_ignored": 2,
    "sql_operator_checks_per_release": 116,
    "typed_sql_profiles_per_release": 68,
    "typed_two_restore_checks_per_release": 24,
    "controlled_clock_and_two_restore_checks_per_release": 24,
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          "consumed_native": "NativeCalcOperator=21,NativeColumnarGroupAggregateOperator=10,NativeColumnarLocalGroupAggregateOperator=21",
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          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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        {
          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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        {
          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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          "consumed_native": "NativeCalcOperator=21,NativeColumnarGroupAggregateOperator=21",
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        {
          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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          "consumed_native": "NativeCalcOperator=21,NativeColumnarGroupAggregateOperator=21",
          "fallbacks": []
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        {
          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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          "consumed_native": "NativeCalcOperator=21,NativeColumnarGroupAggregateOperator=10,NativeColumnarLocalGroupAggregateOperator=21",
          "fallbacks": []
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          "consumed_native": "NativeCalcOperator=21,NativeColumnarGroupAggregateOperator=10,NativeColumnarLocalGroupAggregateOperator=21",
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        {
          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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        {
          "test": "org.apache.flink.table.planner.runtime.stream.sql.AggregateITCase#testDistinctWithMultiFilter",
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    "upstream_note": "Witness DSO precedes the final legacy-clock initialization correction; native final suite and focused116 checks use final DSO. Existing runtime-route contracts are unchanged."
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  "initial_source_sha256": {
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    "native/engine/src/group_agg/ordered_value.rs": "b6be510c6784d9be7f38d728ef01e9822a289bce9fef5a90e80e7e522f847032",
    "src/main/java/tech/streamfusion/planner/GlobalGroupAggregateMatcher.java": "8e9016632efb97ea7c3391ae35cbe9da860a11a1577bea0037e504bba8da8830",
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    "src/test/java/tech/streamfusion/FlinkGlobalDistinctRetentionSqlHarnessTest.java": "d55d4954f450d8949c0f2930c0fe94c4ef0d5dadc2584c5525cf5b6dd11d6eee",
    "src/test/java/tech/streamfusion/DistinctAggregateBenchmark.java": "a8cd53696cc99860bc754a2f036e821e476a9016907e29239e6004ba08ed739d"
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  "optimization": "Read global membership timestamps through the Arrow component reader already bound for the view; avoid temporary timestamp STRUCT scalars and repeated compact-key conversion.",
  "profile": {
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    "event": "cpu",
    "interval": "1ms",
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    "total_samples": 38795,
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    "inclusive_samples": {
      "streamfusion::group_agg::GroupAggregator<S>::update_regular": 1257,
      "streamfusion::group_agg::GroupAggregator<S>::update": 1252,
      "streamfusion::group_agg::GroupAggregator<S>::flush_mini_batch_at": 1252,
      "streamfusion::group_agg::ordered_value::compact_value": 422,
      "datafusion_common::scalar::ScalarValue::try_from_array": 317,
      "hashbrown::map::HashMap<K,V,S,A>::get": 267,
      "<arrow_array::array::struct_array::StructArray as arrow_array::array::Array>::slice": 137,
      "arrow_array::array::struct_array::StructArray::slice": 128,
      "streamfusion::group_agg::distinct_retention::DistinctViewRetention::prepare": 86,
      "streamfusion::group_agg::NumericViewBuffer::merge_entry": 67,
      "streamfusion::group_agg::distinct::Multiplicities<K>::change_owned": 65,
      "hashbrown::raw::RawTable<T,A>::reserve_rehash": 60,
      "hashbrown::rustc_entry::<impl hashbrown::map::HashMap<K,V,S,A>>::rustc_entry": 53,
      "streamfusion::flink_float::boxed_equal": 50,
      "streamfusion::group_agg::distinct::DistinctSet::scalar_count": 43,
      "<arrow_array::array::struct_array::StructArray as core::clone::Clone>::clone": 41,
      "streamfusion::group_agg::decimal_map_order::DecimalMapOrder::insert_optional": 34,
      "streamfusion::group_agg::distinct::DistinctColumn::merge_delta": 27,
      "hashbrown::map::HashMap<K,V,S,A>::insert": 26,
      "streamfusion::group_agg::distinct::DistinctColumn::change": 25,
      "core::ptr::drop_in_place<arrow_array::array::struct_array::StructArray>": 24,
      "streamfusion::group_agg::java_map_order::JavaMapOrder<K>::resize": 19,
      "<datafusion_common::scalar::ScalarValue as core::hash::Hash>::hash": 18,
      "hashbrown::raw::RawTableInner::fallible_with_capacity": 14,
      "core::ptr::drop_in_place<datafusion_common::scalar::ScalarValue>": 12
    },
    "note": "Inclusive sample counts overlap. Profile uses initial v2 DSO, one warmup and one measured trial; these timings are not admission measurements."
  }
}