Optimize storage, GC, and upload hot paths
This commit is contained in:
DioCrafts
@@ -0,0 +1,771 @@
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{
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"schemaVersion": 1,
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"generatedAt": "2026-07-22",
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"benchmark": "admin user created_at index representative cost gate",
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"environment": {
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"platform": "darwin",
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"arch": "arm64",
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"cpu": "Apple M4 Pro",
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"postgresImage": "postgres:18.2-alpine3.23",
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"container": "oxicloud-postgres-1",
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"client": "psql through docker exec"
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},
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"method": {
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"rowsPerDistribution": 500000,
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"independentTransactions": 3,
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"samplesPerTransactionAndShape": 5,
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"totalSamplesPerShape": 15,
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"warmupsPerTransactionAndShape": 1,
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"order": "A/B for the accepted timestamp-only result; a later A/B/C gate rotated no-index/simple/compound order inside every transaction",
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"harnessEvolution": "the current representative SQL is the expanded A/B/C version; the top-level distribution samples retain the earlier A/B authorization run, while compoundRepresentativeABC retains the later isolated rerun",
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"cleanup": "every transaction ended in ROLLBACK",
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"commonIndexes": "both baseline and candidate tables have the same UUID primary-key index",
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"insertBatchRows": 10000,
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"insertValues": "prebuilt identical A/B batches with new timestamps and an indexed sample selector"
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},
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"previousTiedFixtureComparison": {
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"timestampMultiplicity": 100,
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"indexBytes": 3448832,
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"uniqueToTiedIndexByteRatio": 3.263,
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"reasonForFollowup": "PostgreSQL posting-list deduplication compressed repeated created_at keys and understated a normal mostly-unique registration workload"
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},
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}
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},
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"decision": {
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"status": "accepted_by_explicit_user_tradeoff",
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"productionVariant": "timestamp-only created_at DESC index accepted; compound index rejected and not present in production",
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"reason": "After seeing the corrected representative cost, the user explicitly accepted 11,255,808 bytes and +0.680 us per inserted user for unique timestamps (24.21x-266.13x read gains), plus 4,751,360 bytes and +0.582 us per user for ten-user bursts (18.29x-321.57x read gains). This decision does not cover the compound index. The isolated representative A/B/C follow-up rejected the compound index: it regressed the unique-timestamp first page and materially increased disk/write cost."
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},
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"compoundRepresentativeABC": {
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"status": "rejected",
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"method": {
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"samplesPerTransactionAndShape": 5,
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"totalSamplesPerShape": 15,
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"order": "A/B/C order rotated inside every transaction",
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"cleanup": "every transaction ended in ROLLBACK",
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"commonIndexes": "all tables have the same UUID primary-key index",
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"insertBatchRows": 10000,
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"timingIsolation": "canonical rerun after other CPU/PostgreSQL benchmark agents stopped"
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},
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"simpleMedianMs": 54.828,
|
||||
"compoundMedianMs": 51.835,
|
||||
"simpleExtraMicrosecondsPerUserVsNoIndex": 1.3504,
|
||||
"compoundExtraMicrosecondsPerUserVsNoIndex": 1.0511,
|
||||
"compoundDeltaMicrosecondsPerUserVsSimple": -0.2993
|
||||
}
|
||||
},
|
||||
"tenUserBursts": {
|
||||
"firstPage": {
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"compoundSpeedupVsSimple": 1.417
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"noIndexMedianMs": 40.612,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"compoundDeltaMicrosecondsPerUserVsSimple": 0.4446
|
||||
}
|
||||
},
|
||||
"correctness": {
|
||||
"initialOrderMatchesEachRound": [
|
||||
true,
|
||||
true,
|
||||
true
|
||||
],
|
||||
"finalCountsMatchEachRound": [
|
||||
true,
|
||||
true,
|
||||
true
|
||||
],
|
||||
"finalOrderMatchesEachRound": [
|
||||
true,
|
||||
true,
|
||||
true
|
||||
]
|
||||
},
|
||||
"decision": "rejected: versus the accepted narrow index, the compound index regressed the common unique-timestamp first page by 6.45%, enlarged the btree by 80.13%-327.76%, and added 0.445 us/user to burst inserts. Its 1.63x-2.30x deep-page gains do not pass the no-regression resource gate."
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,272 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-22",
|
||||
"benchmark": "admin user listing full component-path A/B",
|
||||
"environment": {
|
||||
"platform": "darwin",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"postgresImage": "postgres:18.2-alpine3.23",
|
||||
"container": "oxicloud-postgres-1",
|
||||
"client": "release Rust/sqlx harness over the local container bridge"
|
||||
},
|
||||
"scope": {
|
||||
"historical": "full-row SQL -> full DTO -> COUNT SQL -> Serde JSON",
|
||||
"candidate": "hot Moka user-flags lookup -> system-admin policy check -> narrow summary SQL -> summary DTO -> COUNT SQL -> Serde JSON",
|
||||
"commonWork": "one sqlx connection, identical 100-user ordering/count/pagination, identical temporary fixture and JSON page envelope",
|
||||
"excluded": "Axum routing, JWT parsing, socket-level HTTP framing and browser parsing; the historical side also omits the old handler's intermediate serde_json::Value materialization, making its baseline optimistic. This is a conservative component-path gate, not a whole HTTP-stack claim"
|
||||
},
|
||||
"method": {
|
||||
"users": 100,
|
||||
"limit": 100,
|
||||
"offset": 0,
|
||||
"minimalProfile": "small ordinary account-detail fields",
|
||||
"heavyProfile": "512 KiB image and 8 KiB UI-preference payload per user",
|
||||
"timing": "interleaved/alternating paths after three warmups; isolated from other benchmark agents",
|
||||
"rss": "three fresh client processes per path/profile using /usr/bin/time -l; process setup is common and included in max RSS",
|
||||
"databaseState": "per-process PostgreSQL TEMP table; no persistent rows or indexes"
|
||||
},
|
||||
"minimal": {
|
||||
"timing": {
|
||||
"samples": 31,
|
||||
"warmups": 3,
|
||||
"order": "interleaved and alternated",
|
||||
"historicalFullSamplesMs": [
|
||||
4.4581669999999995,
|
||||
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|
||||
0.9585,
|
||||
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|
||||
0.865125,
|
||||
0.867916,
|
||||
0.8726670000000001,
|
||||
0.937375,
|
||||
1.013833,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
1.217792,
|
||||
5.245125,
|
||||
0.967917,
|
||||
1.1993749999999999
|
||||
],
|
||||
"candidateSummaryHotAuthzSamplesMs": [
|
||||
1.0223330000000002,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
0.804084,
|
||||
0.829,
|
||||
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|
||||
],
|
||||
"historicalFullMedianMs": 1.295833,
|
||||
"candidateSummaryHotAuthzMedianMs": 0.966334,
|
||||
"medianSpeedup": 1.3409783780763174,
|
||||
"historicalFullP95Ms": 206.010333,
|
||||
"candidateSummaryHotAuthzP95Ms": 10.13475,
|
||||
"p95Speedup": 20.327125286760896,
|
||||
"historicalJsonBytes": 43759,
|
||||
"candidateJsonBytes": 28726,
|
||||
"byteReductionPercent": 34.35407573299207,
|
||||
"summaryProjectionEqual": true,
|
||||
"totalEqual": true
|
||||
},
|
||||
"freshProcessMemory": {
|
||||
"runsPerMode": 3,
|
||||
"historical": [
|
||||
{
|
||||
"maxRssBytes": 7782400,
|
||||
"responseElapsedMs": 1.56875,
|
||||
"jsonBytes": 43759,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 7782400,
|
||||
"responseElapsedMs": 204.553417,
|
||||
"jsonBytes": 43759,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 7782400,
|
||||
"responseElapsedMs": 2.007917,
|
||||
"jsonBytes": 43759,
|
||||
"exitCode": 0
|
||||
}
|
||||
],
|
||||
"candidate": [
|
||||
{
|
||||
"maxRssBytes": 7651328,
|
||||
"responseElapsedMs": 3.949834,
|
||||
"jsonBytes": 28726,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 7667712,
|
||||
"responseElapsedMs": 1.091208,
|
||||
"jsonBytes": 28726,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 7684096,
|
||||
"responseElapsedMs": 0.982916,
|
||||
"jsonBytes": 28726,
|
||||
"exitCode": 0
|
||||
}
|
||||
],
|
||||
"historicalMedianMaxRssBytes": 7782400,
|
||||
"candidateMedianMaxRssBytes": 7667712,
|
||||
"candidateMinusHistoricalRssBytes": -114688,
|
||||
"rssReductionPercent": 1.473684210526316,
|
||||
"historicalColdMedianElapsedMs": 2.007917,
|
||||
"candidateColdMedianElapsedMs": 1.091208,
|
||||
"coldMedianSpeedup": 1.8400863996598267
|
||||
}
|
||||
},
|
||||
"heavy": {
|
||||
"timing": {
|
||||
"samples": 11,
|
||||
"warmups": 3,
|
||||
"order": "interleaved and alternated",
|
||||
"historicalFullSamplesMs": [
|
||||
3519.616458,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
],
|
||||
"candidateSummaryHotAuthzSamplesMs": [
|
||||
4.283292,
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
5.121874999999999,
|
||||
1.2095
|
||||
],
|
||||
"historicalFullMedianMs": 1141.4217500000002,
|
||||
"candidateSummaryHotAuthzMedianMs": 0.965792,
|
||||
"medianSpeedup": 1181.8504916172428,
|
||||
"historicalFullP95Ms": 4157.738708,
|
||||
"candidateSummaryHotAuthzP95Ms": 219.19591699999998,
|
||||
"p95Speedup": 18.96813939285192,
|
||||
"historicalJsonBytes": 53306743,
|
||||
"candidateJsonBytes": 28726,
|
||||
"byteReductionPercent": 99.9461118830689,
|
||||
"summaryProjectionEqual": true,
|
||||
"totalEqual": true
|
||||
},
|
||||
"freshProcessMemory": {
|
||||
"runsPerMode": 3,
|
||||
"historical": [
|
||||
{
|
||||
"maxRssBytes": 151683072,
|
||||
"responseElapsedMs": 4506.601708,
|
||||
"jsonBytes": 53306743,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 144162816,
|
||||
"responseElapsedMs": 2585.629333,
|
||||
"jsonBytes": 53306743,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 146292736,
|
||||
"responseElapsedMs": 6410.820542,
|
||||
"jsonBytes": 53306743,
|
||||
"exitCode": 0
|
||||
}
|
||||
],
|
||||
"candidate": [
|
||||
{
|
||||
"maxRssBytes": 7667712,
|
||||
"responseElapsedMs": 1.080875,
|
||||
"jsonBytes": 28726,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 7651328,
|
||||
"responseElapsedMs": 1.061042,
|
||||
"jsonBytes": 28726,
|
||||
"exitCode": 0
|
||||
},
|
||||
{
|
||||
"maxRssBytes": 7667712,
|
||||
"responseElapsedMs": 2.09175,
|
||||
"jsonBytes": 28726,
|
||||
"exitCode": 0
|
||||
}
|
||||
],
|
||||
"historicalMedianMaxRssBytes": 146292736,
|
||||
"candidateMedianMaxRssBytes": 7667712,
|
||||
"candidateMinusHistoricalRssBytes": -138625024,
|
||||
"rssReductionPercent": 94.75865158472394,
|
||||
"historicalColdMedianElapsedMs": 4506.601708,
|
||||
"candidateColdMedianElapsedMs": 1.080875,
|
||||
"coldMedianSpeedup": 4169.401372036545
|
||||
}
|
||||
},
|
||||
"correctness": {
|
||||
"exactRenderedFieldProjectionAndOrder": true,
|
||||
"exactTotalCount": true,
|
||||
"hotAuthorizationFlagsAsserted": {
|
||||
"role": "admin",
|
||||
"isExternal": false,
|
||||
"active": true
|
||||
},
|
||||
"allProcessesExitedSuccessfully": true
|
||||
},
|
||||
"decision": {
|
||||
"status": "accepted",
|
||||
"productionVariant": "summary=true compact admin listing with authoritative service-layer AuthZ",
|
||||
"reason": "The representative minimal profile improved median component latency 1.296 -> 0.966 ms, reduced JSON 34.35%, and saved 112 KiB median max RSS. The heavy profile improved median latency 1141.422 -> 0.966 ms, reduced JSON 99.946%, and saved 138,625,024 bytes median max RSS. Exact projected fields, order, and counts matched."
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,175 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-22",
|
||||
"decisions": {
|
||||
"adminUserProjection": "accepted: conservative component-path gate passed latency, JSON bytes, exact fields/counts, and fresh-process RSS for minimal and heavy profiles",
|
||||
"adminCreatedAtIndex": "accepted_by_explicit_user_tradeoff: after the tied fixture was superseded, the user explicitly accepted representative unique timestamps at 11,255,808 bytes and +0.680 us per inserted user (24.21x-266.13x read gains), plus burst10 at 4,751,360 bytes and +0.582 us per user; the later representative compound candidate was rejected",
|
||||
"adminCountWindowFusion": "rejected; no production change",
|
||||
"localSyncPreparation": "accepted; empty fast return and every measured non-empty size improved; path/directory equivalence passed"
|
||||
},
|
||||
"environment": {
|
||||
"platform": "darwin",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"rustc": "1.93.0",
|
||||
"postgres": "oxicloud-postgres-1 local Docker container"
|
||||
},
|
||||
"adminUserProjection": {
|
||||
"timingScope": "psql query execution, row transfer, and client decoding; excludes HTTP/Serde and the service-layer authorization check",
|
||||
"fixture": {
|
||||
"users": 100,
|
||||
"avatarBytesPerUser": 524288,
|
||||
"preferencesBytesPerUser": 8192
|
||||
},
|
||||
"current": {
|
||||
"jsonBytes": 53315361,
|
||||
"samplesMs": [79.871, 64.878, 42.010, 63.094, 59.987],
|
||||
"medianMs": 63.094
|
||||
},
|
||||
"compactSummary": {
|
||||
"jsonBytes": 31671,
|
||||
"samplesMs": [0.764, 0.535, 0.660, 0.304, 0.524],
|
||||
"medianMs": 0.535
|
||||
},
|
||||
"speedup": 117.93,
|
||||
"byteReductionPercent": 99.9406,
|
||||
"decision": "accepted"
|
||||
},
|
||||
"adminCountWindowFusion": {
|
||||
"fixtureUsers": 100000,
|
||||
"currentPagePlusCountSamplesMs": [11.081, 5.255, 5.604, 10.597, 5.237],
|
||||
"currentMedianMs": 5.604,
|
||||
"countWindowSamplesMs": [61.966, 39.277, 36.788, 42.287, 64.007],
|
||||
"countWindowMedianMs": 42.287,
|
||||
"candidateSlowdown": 7.55,
|
||||
"decision": "rejected; no production change"
|
||||
},
|
||||
"adminCreatedAtIndex": {
|
||||
"fixtureUsers": 500000,
|
||||
"tiedTimestampGroups": 5000,
|
||||
"allOrdersMatch": true,
|
||||
"timestampIndexBytes": 3448832,
|
||||
"timestampIndexBytesPerUser": 6.90,
|
||||
"compoundIndexBytes": 20332544,
|
||||
"compoundIndexBytesPerUser": 40.67,
|
||||
"firstPage": {
|
||||
"noIndexSamplesMs": [162.111, 181.379, 185.911, 193.284, 193.223],
|
||||
"noIndexMedianMs": 185.911,
|
||||
"timestampSamplesMs": [0.368, 0.316, 0.397, 0.173, 0.438],
|
||||
"timestampMedianMs": 0.368,
|
||||
"timestampSpeedup": 505.19,
|
||||
"compoundSamplesMs": [0.178, 0.397, 0.234, 0.245, 0.240],
|
||||
"compoundMedianMs": 0.240,
|
||||
"compoundSpeedup": 774.63
|
||||
},
|
||||
"offset50000": {
|
||||
"noIndexSamplesMs": [343.654, 333.319, 343.129, 363.514, 347.188],
|
||||
"noIndexMedianMs": 343.654,
|
||||
"timestampSamplesMs": [21.305, 24.210, 26.183, 24.117, 20.882],
|
||||
"timestampMedianMs": 24.117,
|
||||
"timestampSpeedup": 14.25,
|
||||
"compoundSamplesMs": [6.530, 9.761, 5.968, 8.284, 8.557],
|
||||
"compoundMedianMs": 8.284,
|
||||
"compoundSpeedup": 41.48
|
||||
},
|
||||
"insert10000Rows": {
|
||||
"noIndexSamplesMs": [5.916, 8.354, 10.674, 5.658, 9.169],
|
||||
"noIndexMedianMs": 8.354,
|
||||
"timestampSamplesMs": [16.209, 14.310, 12.504, 11.911, 16.665],
|
||||
"timestampMedianMs": 14.310,
|
||||
"timestampExtraMicrosecondsPerUser": 0.596,
|
||||
"compoundSamplesMs": [18.748, 19.204, 19.819, 17.212, 21.492],
|
||||
"compoundMedianMs": 19.204,
|
||||
"compoundExtraMicrosecondsPerUser": 1.085
|
||||
},
|
||||
"decision": "evidence_only_superseded_by_representative_gate: tied-timestamp read results remain valid, but posting-list deduplication understated timestamp-only resource cost and invalidated the original compound comparison",
|
||||
"representativeGateResult": "admin-user-index-representative-postgres18-macos-arm64.json"
|
||||
},
|
||||
"localSyncEmpty": {
|
||||
"paths": 0,
|
||||
"processes": 11,
|
||||
"samplesPerProcess": 31,
|
||||
"repetitionsPerSample": 100000,
|
||||
"historicalProcessMediansNs": [26.501, 25.283, 26.715, 30.093, 29.759, 24.388, 25.102, 25.163, 32.574, 24.982, 25.607],
|
||||
"fastReturnProcessMediansNs": [21.679, 23.283, 24.260, 25.231, 22.946, 21.540, 20.316, 20.186, 24.095, 25.565, 21.287],
|
||||
"historicalMedianAcrossProcessesNs": 25.607,
|
||||
"fastReturnMedianAcrossProcessesNs": 22.946,
|
||||
"candidateWins": 10,
|
||||
"speedup": 1.116,
|
||||
"decision": "accepted"
|
||||
},
|
||||
"localSyncPreparation": [
|
||||
{
|
||||
"paths": 1,
|
||||
"cloneGroupsUs": 0.157,
|
||||
"moveGroupsUs": 0.128,
|
||||
"groupSpeedup": 1.22,
|
||||
"sortParentDirsUs": 0.119,
|
||||
"prefixBitmapDirsUs": 0.088,
|
||||
"directorySpeedup": 1.36
|
||||
},
|
||||
{
|
||||
"paths": 8,
|
||||
"cloneGroupsUs": 0.673,
|
||||
"moveGroupsUs": 0.409,
|
||||
"groupSpeedup": 1.64,
|
||||
"sortParentDirsUs": 1.599,
|
||||
"prefixBitmapDirsUs": 0.902,
|
||||
"directorySpeedup": 1.77
|
||||
},
|
||||
{
|
||||
"paths": 32,
|
||||
"cloneGroupsUs": 3.424,
|
||||
"moveGroupsUs": 2.166,
|
||||
"groupSpeedup": 1.58,
|
||||
"sortParentDirsUs": 4.078,
|
||||
"prefixBitmapDirsUs": 3.318,
|
||||
"directorySpeedup": 1.23
|
||||
},
|
||||
{
|
||||
"paths": 128,
|
||||
"cloneGroupsUs": 5.916,
|
||||
"moveGroupsUs": 3.250,
|
||||
"groupSpeedup": 1.82,
|
||||
"sortParentDirsUs": 12.291,
|
||||
"prefixBitmapDirsUs": 8.333,
|
||||
"directorySpeedup": 1.47
|
||||
},
|
||||
{
|
||||
"paths": 400,
|
||||
"cloneGroupsUs": 17.000,
|
||||
"moveGroupsUs": 8.958,
|
||||
"groupSpeedup": 1.90,
|
||||
"sortParentDirsUs": 97.500,
|
||||
"prefixBitmapDirsUs": 16.958,
|
||||
"directorySpeedup": 5.75
|
||||
},
|
||||
{
|
||||
"paths": 1600,
|
||||
"cloneGroupsUs": 64.541,
|
||||
"moveGroupsUs": 33.083,
|
||||
"groupSpeedup": 1.95,
|
||||
"sortParentDirsUs": 800.708,
|
||||
"prefixBitmapDirsUs": 22.584,
|
||||
"directorySpeedup": 35.45
|
||||
},
|
||||
{
|
||||
"paths": 10000,
|
||||
"cloneGroupsUs": 622.000,
|
||||
"moveGroupsUs": 260.458,
|
||||
"groupSpeedup": 2.39,
|
||||
"sortParentDirsUs": 4006.875,
|
||||
"prefixBitmapDirsUs": 38.125,
|
||||
"directorySpeedup": 105.10
|
||||
},
|
||||
{
|
||||
"paths": 100000,
|
||||
"cloneGroupsUs": 5893.958,
|
||||
"moveGroupsUs": 2856.792,
|
||||
"groupSpeedup": 2.06,
|
||||
"sortParentDirsUs": 45596.041,
|
||||
"prefixBitmapDirsUs": 214.750,
|
||||
"directorySpeedup": 212.32
|
||||
}
|
||||
]
|
||||
}
|
||||
@@ -0,0 +1,98 @@
|
||||
{
|
||||
"date": "2026-07-22",
|
||||
"status": "accepted",
|
||||
"scope": "CachedBlobBackend range reads",
|
||||
"contract": {
|
||||
"range_semantics": "[start, end)",
|
||||
"production_change": "Replace end - start + 1 with end.saturating_sub(start) on cold and hot cached reads."
|
||||
},
|
||||
"baseline_correctness_probe": {
|
||||
"ranges": [
|
||||
"[0, 1)",
|
||||
"[1, 3)",
|
||||
"[3, 3)",
|
||||
"[2, EOF)"
|
||||
],
|
||||
"expected_lengths": [
|
||||
1,
|
||||
2,
|
||||
0,
|
||||
4
|
||||
],
|
||||
"local_backend_lengths": [
|
||||
1,
|
||||
2,
|
||||
0,
|
||||
4
|
||||
],
|
||||
"historical_cached_backend_lengths": [
|
||||
2,
|
||||
3,
|
||||
1,
|
||||
4
|
||||
],
|
||||
"cold_fill": {
|
||||
"remote_gets": 1,
|
||||
"remote_bytes": 6,
|
||||
"elapsed_us": 408.5
|
||||
},
|
||||
"hot_read_loop": {
|
||||
"iterations": 500,
|
||||
"local_bytes": 1000,
|
||||
"historical_cached_bytes": 1500,
|
||||
"local_average_us": 32.16,
|
||||
"historical_cached_average_us": 30.839
|
||||
},
|
||||
"outcome": "failed: the cached backend returned one extra byte whenever end was present"
|
||||
},
|
||||
"candidate_correctness": {
|
||||
"cached_backend_lengths": [
|
||||
1,
|
||||
2,
|
||||
0,
|
||||
4
|
||||
],
|
||||
"cold_fill_remote_gets": 1,
|
||||
"cold_fill_remote_bytes": 6,
|
||||
"hot_read_loop_bytes": 1000,
|
||||
"focused_test": "cargo test --lib cached_blob_backend::tests::range_end_is_exclusive_on_cold_and_hot_cache_reads",
|
||||
"focused_test_result": "1 passed; 0 failed"
|
||||
},
|
||||
"standalone_ab": {
|
||||
"source": "tools/perf-audit/cached_range_ab.rs",
|
||||
"command": "cargo run --release --manifest-path tools/perf-audit/Cargo.toml --bin cached_range_ab",
|
||||
"environment": {
|
||||
"os": "macos",
|
||||
"arch": "aarch64"
|
||||
},
|
||||
"range": {
|
||||
"start": 1,
|
||||
"end_exclusive": 3
|
||||
},
|
||||
"warmups_per_variant": 1000,
|
||||
"iterations_per_variant": 10000,
|
||||
"historical_inclusive": {
|
||||
"bytes": 30000,
|
||||
"bytes_per_read": 3,
|
||||
"p50_us": 8.459,
|
||||
"p95_us": 28.292,
|
||||
"checksum": 2970000
|
||||
},
|
||||
"corrected_exclusive": {
|
||||
"bytes": 20000,
|
||||
"bytes_per_read": 2,
|
||||
"p50_us": 8.459,
|
||||
"p95_us": 26.917,
|
||||
"checksum": 1970000
|
||||
},
|
||||
"delta_percent": {
|
||||
"bytes": -33.333,
|
||||
"p50_latency": 0.0,
|
||||
"p95_latency": -4.86
|
||||
}
|
||||
},
|
||||
"decision": {
|
||||
"status": "accepted",
|
||||
"reason": "The candidate restores the exclusive-end contract, removes exactly one surplus byte per bounded cached range, adds no remote request or round trip, and is latency-neutral at p50 while improving this sample's p95."
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,99 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T20:11:44.735Z",
|
||||
"decision": "evidence only; the above-10000 batching candidate was rejected by the full workflow gate and reverted",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"release": "25.5.0",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"logicalCpus": 14,
|
||||
"gcExposed": true
|
||||
},
|
||||
"config": {
|
||||
"suite": "dedup",
|
||||
"warmup": 3,
|
||||
"samples": 15,
|
||||
"queueCounts": [
|
||||
10000,
|
||||
50000
|
||||
],
|
||||
"progressCases": [
|
||||
{
|
||||
"items": 1000,
|
||||
"updates": 10000
|
||||
},
|
||||
{
|
||||
"items": 10000,
|
||||
"updates": 5000
|
||||
},
|
||||
{
|
||||
"items": 20000,
|
||||
"updates": 5000
|
||||
}
|
||||
],
|
||||
"hashCounts": [
|
||||
25000
|
||||
],
|
||||
"dedupBatchSize": 10000,
|
||||
"dedupConcurrency": 4,
|
||||
"serverLatencyMs": 0,
|
||||
"modeledFileBytes": 65536
|
||||
},
|
||||
"notes": {
|
||||
"heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
|
||||
"dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
|
||||
},
|
||||
"suites": {
|
||||
"dedup": [
|
||||
{
|
||||
"hashCount": 25000,
|
||||
"current": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 13.010667000000012,
|
||||
"p95Ms": 319.40154200000006,
|
||||
"minMs": 5.714707999999973,
|
||||
"maxMs": 319.40154200000006,
|
||||
"medianHeapDeltaBytes": 4069400,
|
||||
"medianRssDeltaBytes": 1687552
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 25.275750000000016,
|
||||
"p95Ms": 310.1661670000001,
|
||||
"minMs": 9.728249999999662,
|
||||
"maxMs": 310.1661670000001,
|
||||
"medianHeapDeltaBytes": 12869632,
|
||||
"medianRssDeltaBytes": 344064
|
||||
},
|
||||
"speedup": 0.5147489985460374,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 0,
|
||||
"ownedCount": 0,
|
||||
"contentBytesAvoided": 0,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 0,
|
||||
"rejectedRequests": 1,
|
||||
"requestBytes": 1675012,
|
||||
"responseBytes": 27,
|
||||
"maxBatchHashes": 25000
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 156237500,
|
||||
"ownedCount": 12500,
|
||||
"contentBytesAvoided": 819200000,
|
||||
"requests": 3,
|
||||
"acceptedRequests": 3,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 1675036,
|
||||
"responseBytes": 837533,
|
||||
"maxBatchHashes": 10000
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"blackhole": 0
|
||||
}
|
||||
@@ -0,0 +1,99 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T20:11:34.135Z",
|
||||
"decision": "evidence only; the above-10000 batching candidate was rejected by the full workflow gate and reverted",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"release": "25.5.0",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"logicalCpus": 14,
|
||||
"gcExposed": true
|
||||
},
|
||||
"config": {
|
||||
"suite": "dedup",
|
||||
"warmup": 3,
|
||||
"samples": 15,
|
||||
"queueCounts": [
|
||||
10000,
|
||||
50000
|
||||
],
|
||||
"progressCases": [
|
||||
{
|
||||
"items": 1000,
|
||||
"updates": 10000
|
||||
},
|
||||
{
|
||||
"items": 10000,
|
||||
"updates": 5000
|
||||
},
|
||||
{
|
||||
"items": 20000,
|
||||
"updates": 5000
|
||||
}
|
||||
],
|
||||
"hashCounts": [
|
||||
25000
|
||||
],
|
||||
"dedupBatchSize": 512,
|
||||
"dedupConcurrency": 4,
|
||||
"serverLatencyMs": 0,
|
||||
"modeledFileBytes": 65536
|
||||
},
|
||||
"notes": {
|
||||
"heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
|
||||
"dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
|
||||
},
|
||||
"suites": {
|
||||
"dedup": [
|
||||
{
|
||||
"hashCount": 25000,
|
||||
"current": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 21.21845900000062,
|
||||
"p95Ms": 263.2436670000002,
|
||||
"minMs": 5.763707999999951,
|
||||
"maxMs": 263.2436670000002,
|
||||
"medianHeapDeltaBytes": 4066384,
|
||||
"medianRssDeltaBytes": 1687552
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 294.9569169999995,
|
||||
"p95Ms": 607.8072920000004,
|
||||
"minMs": 39.99287500000037,
|
||||
"maxMs": 607.8072920000004,
|
||||
"medianHeapDeltaBytes": 16555112,
|
||||
"medianRssDeltaBytes": 49152
|
||||
},
|
||||
"speedup": 0.07193748570405845,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 0,
|
||||
"ownedCount": 0,
|
||||
"contentBytesAvoided": 0,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 0,
|
||||
"rejectedRequests": 1,
|
||||
"requestBytes": 1675012,
|
||||
"responseBytes": 27,
|
||||
"maxBatchHashes": 25000
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 156237500,
|
||||
"ownedCount": 12500,
|
||||
"contentBytesAvoided": 819200000,
|
||||
"requests": 49,
|
||||
"acceptedRequests": 49,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 1675588,
|
||||
"responseBytes": 838039,
|
||||
"maxBatchHashes": 512
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"blackhole": 0
|
||||
}
|
||||
@@ -0,0 +1,110 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T20:31:30.847Z",
|
||||
"decision": "evidence only; confirms the unchanged <=10000 fast path, while the above-10000 batching candidate was rejected and reverted",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"release": "25.5.0",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"logicalCpus": 14,
|
||||
"gcExposed": true
|
||||
},
|
||||
"config": {
|
||||
"suite": "dedup",
|
||||
"warmup": 7,
|
||||
"samples": 41,
|
||||
"queueCounts": [
|
||||
64,
|
||||
256,
|
||||
1024,
|
||||
10000,
|
||||
50000
|
||||
],
|
||||
"progressCases": [
|
||||
{
|
||||
"items": 1,
|
||||
"updates": 100
|
||||
},
|
||||
{
|
||||
"items": 10,
|
||||
"updates": 500
|
||||
},
|
||||
{
|
||||
"items": 100,
|
||||
"updates": 5000
|
||||
},
|
||||
{
|
||||
"items": 1000,
|
||||
"updates": 10000
|
||||
},
|
||||
{
|
||||
"items": 10000,
|
||||
"updates": 5000
|
||||
}
|
||||
],
|
||||
"hashCounts": [
|
||||
1000
|
||||
],
|
||||
"dedupBatchSize": 10000,
|
||||
"dedupConcurrency": 4,
|
||||
"serverLatencyMs": 0,
|
||||
"modeledFileBytes": 65536
|
||||
},
|
||||
"notes": {
|
||||
"heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
|
||||
"dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
|
||||
},
|
||||
"suites": {
|
||||
"dedup": [
|
||||
{
|
||||
"hashCount": 1000,
|
||||
"current": {
|
||||
"sampleCount": 41,
|
||||
"medianMs": 5.374666999999988,
|
||||
"p95Ms": 30.969750000000204,
|
||||
"minMs": 1.3017919999999776,
|
||||
"maxMs": 59.26037499999984,
|
||||
"medianHeapDeltaBytes": 575104,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 41,
|
||||
"medianMs": 4.9794579999999655,
|
||||
"p95Ms": 42.28670899999997,
|
||||
"minMs": 1.1001249999999345,
|
||||
"maxMs": 125.80937499999999,
|
||||
"medianHeapDeltaBytes": 574760,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 1.0793678749775628,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 249500,
|
||||
"ownedCount": 500,
|
||||
"contentBytesAvoided": 32768000,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 1,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 67012,
|
||||
"responseBytes": 33511,
|
||||
"maxBatchHashes": 1000
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 249500,
|
||||
"ownedCount": 500,
|
||||
"contentBytesAvoided": 32768000,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 1,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 67012,
|
||||
"responseBytes": 33511,
|
||||
"maxBatchHashes": 1000
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"blackhole": 0
|
||||
}
|
||||
@@ -0,0 +1,251 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T20:31:04.178Z",
|
||||
"decision": "evidence only; the above-10000 batching candidate was rejected by the full workflow gate and reverted",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"release": "25.5.0",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"logicalCpus": 14,
|
||||
"gcExposed": true
|
||||
},
|
||||
"config": {
|
||||
"suite": "dedup",
|
||||
"warmup": 5,
|
||||
"samples": 15,
|
||||
"queueCounts": [
|
||||
64,
|
||||
256,
|
||||
1024,
|
||||
10000,
|
||||
50000
|
||||
],
|
||||
"progressCases": [
|
||||
{
|
||||
"items": 1,
|
||||
"updates": 100
|
||||
},
|
||||
{
|
||||
"items": 10,
|
||||
"updates": 500
|
||||
},
|
||||
{
|
||||
"items": 100,
|
||||
"updates": 5000
|
||||
},
|
||||
{
|
||||
"items": 1000,
|
||||
"updates": 10000
|
||||
},
|
||||
{
|
||||
"items": 10000,
|
||||
"updates": 5000
|
||||
}
|
||||
],
|
||||
"hashCounts": [
|
||||
1000,
|
||||
10000,
|
||||
10001,
|
||||
25000
|
||||
],
|
||||
"dedupBatchSize": 10000,
|
||||
"dedupConcurrency": 4,
|
||||
"serverLatencyMs": 0,
|
||||
"modeledFileBytes": 65536
|
||||
},
|
||||
"notes": {
|
||||
"heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
|
||||
"dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
|
||||
},
|
||||
"suites": {
|
||||
"dedup": [
|
||||
{
|
||||
"hashCount": 1000,
|
||||
"current": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 4.66216600000007,
|
||||
"p95Ms": 23.915542000000016,
|
||||
"minMs": 1.9842080000000237,
|
||||
"maxMs": 23.915542000000016,
|
||||
"medianHeapDeltaBytes": 583320,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 5.586167000000046,
|
||||
"p95Ms": 22.62520799999993,
|
||||
"minMs": 3.662083999999993,
|
||||
"maxMs": 22.62520799999993,
|
||||
"medianHeapDeltaBytes": 578504,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 0.8345912322349174,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 249500,
|
||||
"ownedCount": 500,
|
||||
"contentBytesAvoided": 32768000,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 1,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 67012,
|
||||
"responseBytes": 33511,
|
||||
"maxBatchHashes": 1000
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 249500,
|
||||
"ownedCount": 500,
|
||||
"contentBytesAvoided": 32768000,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 1,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 67012,
|
||||
"responseBytes": 33511,
|
||||
"maxBatchHashes": 1000
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"hashCount": 10000,
|
||||
"current": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 12.211541000000125,
|
||||
"p95Ms": 138.27816600000006,
|
||||
"minMs": 5.708917000000156,
|
||||
"maxMs": 138.27816600000006,
|
||||
"medianHeapDeltaBytes": 4629728,
|
||||
"medianRssDeltaBytes": 671744
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 10.960124999999834,
|
||||
"p95Ms": 68.23608400000012,
|
||||
"minMs": 7.660417000000052,
|
||||
"maxMs": 68.23608400000012,
|
||||
"medianHeapDeltaBytes": 4629608,
|
||||
"medianRssDeltaBytes": 671744
|
||||
},
|
||||
"speedup": 1.1141789897469516,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 24995000,
|
||||
"ownedCount": 5000,
|
||||
"contentBytesAvoided": 327680000,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 1,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 670012,
|
||||
"responseBytes": 335011,
|
||||
"maxBatchHashes": 10000
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 24995000,
|
||||
"ownedCount": 5000,
|
||||
"contentBytesAvoided": 327680000,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 1,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 670012,
|
||||
"responseBytes": 335011,
|
||||
"maxBatchHashes": 10000
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"hashCount": 10001,
|
||||
"current": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 5.437792000000172,
|
||||
"p95Ms": 10.699207999999999,
|
||||
"minMs": 2.1932090000000244,
|
||||
"maxMs": 10.699207999999999,
|
||||
"medianHeapDeltaBytes": 2370176,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 10.77975000000015,
|
||||
"p95Ms": 13.00845900000013,
|
||||
"minMs": 7.553665999999794,
|
||||
"maxMs": 13.00845900000013,
|
||||
"medianHeapDeltaBytes": 5290256,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 0.5044450938101623,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 0,
|
||||
"ownedCount": 0,
|
||||
"contentBytesAvoided": 0,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 0,
|
||||
"rejectedRequests": 1,
|
||||
"requestBytes": 670079,
|
||||
"responseBytes": 27,
|
||||
"maxBatchHashes": 10001
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 25005000,
|
||||
"ownedCount": 5001,
|
||||
"contentBytesAvoided": 327745536,
|
||||
"requests": 2,
|
||||
"acceptedRequests": 2,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 670091,
|
||||
"responseBytes": 335089,
|
||||
"maxBatchHashes": 10000
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"hashCount": 25000,
|
||||
"current": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 9.382499999999709,
|
||||
"p95Ms": 19.153124999999818,
|
||||
"minMs": 5.52666599999975,
|
||||
"maxMs": 19.153124999999818,
|
||||
"medianHeapDeltaBytes": 4065728,
|
||||
"medianRssDeltaBytes": 1687552
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 15,
|
||||
"medianMs": 31.40979100000004,
|
||||
"p95Ms": 122.20316700000058,
|
||||
"minMs": 10.393082999999933,
|
||||
"maxMs": 122.20316700000058,
|
||||
"medianHeapDeltaBytes": 12853840,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 0.29871258933240585,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 0,
|
||||
"ownedCount": 0,
|
||||
"contentBytesAvoided": 0,
|
||||
"requests": 1,
|
||||
"acceptedRequests": 0,
|
||||
"rejectedRequests": 1,
|
||||
"requestBytes": 1675012,
|
||||
"responseBytes": 27,
|
||||
"maxBatchHashes": 25000
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 156237500,
|
||||
"ownedCount": 12500,
|
||||
"contentBytesAvoided": 819200000,
|
||||
"requests": 3,
|
||||
"acceptedRequests": 3,
|
||||
"rejectedRequests": 0,
|
||||
"requestBytes": 1675036,
|
||||
"responseBytes": 837533,
|
||||
"maxBatchHashes": 10000
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"blackhole": 0
|
||||
}
|
||||
@@ -0,0 +1,116 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T21:22:59.466Z",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"arch": "arm64"
|
||||
},
|
||||
"fixture": {
|
||||
"hashes": 10001,
|
||||
"bytesPerFile": 4096,
|
||||
"uploadConcurrency": 2
|
||||
},
|
||||
"note": "Loopback mock includes every dedup, by-hash and content request. Hashing is excluded. Backend SQL is unmodeled: current rejects before ownership lookup while candidate would execute two accepted queries, so candidate wall time is optimistic.",
|
||||
"cases": [
|
||||
{
|
||||
"hitPercent": 0,
|
||||
"current": {
|
||||
"wallSamplesMs": [
|
||||
13455.567,
|
||||
7274.844,
|
||||
11384.656
|
||||
],
|
||||
"wallMedianMs": 11384.656,
|
||||
"peakHeapDeltaBytesMedian": 26577840,
|
||||
"peakRssDeltaBytesMedian": 1376256,
|
||||
"protocol": {
|
||||
"ownedCount": 0,
|
||||
"hitPercent": 0,
|
||||
"dedupAccepted": 0,
|
||||
"dedupRejected": 1,
|
||||
"dedupRequestBytes": 670079,
|
||||
"dedupResponseBytes": 27,
|
||||
"uploadRequests": 10001,
|
||||
"uploadContentBytes": 40964096,
|
||||
"byHashRequests": 0,
|
||||
"byHashRequestBytes": 0
|
||||
}
|
||||
},
|
||||
"candidate": {
|
||||
"wallSamplesMs": [
|
||||
12545.523,
|
||||
9374.644,
|
||||
14373.866
|
||||
],
|
||||
"wallMedianMs": 12545.523,
|
||||
"peakHeapDeltaBytesMedian": 27057808,
|
||||
"peakRssDeltaBytesMedian": 2408448,
|
||||
"protocol": {
|
||||
"ownedCount": 0,
|
||||
"hitPercent": 0,
|
||||
"dedupAccepted": 2,
|
||||
"dedupRejected": 0,
|
||||
"dedupRequestBytes": 670091,
|
||||
"dedupResponseBytes": 24,
|
||||
"uploadRequests": 10001,
|
||||
"uploadContentBytes": 40964096,
|
||||
"byHashRequests": 0,
|
||||
"byHashRequestBytes": 0
|
||||
}
|
||||
},
|
||||
"wallSpeedup": 0.907,
|
||||
"uploadByteReductionPercent": 0
|
||||
},
|
||||
{
|
||||
"hitPercent": 50,
|
||||
"current": {
|
||||
"wallSamplesMs": [
|
||||
8511.511,
|
||||
10370.193,
|
||||
7271.146
|
||||
],
|
||||
"wallMedianMs": 8511.511,
|
||||
"peakHeapDeltaBytesMedian": 25917352,
|
||||
"peakRssDeltaBytesMedian": 1753088,
|
||||
"protocol": {
|
||||
"ownedCount": 0,
|
||||
"hitPercent": 50,
|
||||
"dedupAccepted": 0,
|
||||
"dedupRejected": 1,
|
||||
"dedupRequestBytes": 670079,
|
||||
"dedupResponseBytes": 27,
|
||||
"uploadRequests": 10001,
|
||||
"uploadContentBytes": 40964096,
|
||||
"byHashRequests": 0,
|
||||
"byHashRequestBytes": 0
|
||||
}
|
||||
},
|
||||
"candidate": {
|
||||
"wallSamplesMs": [
|
||||
8095.953,
|
||||
10204.387,
|
||||
7060.576
|
||||
],
|
||||
"wallMedianMs": 8095.953,
|
||||
"peakHeapDeltaBytesMedian": 50966480,
|
||||
"peakRssDeltaBytesMedian": 29622272,
|
||||
"protocol": {
|
||||
"ownedCount": 5001,
|
||||
"hitPercent": 50,
|
||||
"dedupAccepted": 2,
|
||||
"dedupRejected": 0,
|
||||
"dedupRequestBytes": 670091,
|
||||
"dedupResponseBytes": 335089,
|
||||
"uploadRequests": 5000,
|
||||
"uploadContentBytes": 20480000,
|
||||
"byHashRequests": 5001,
|
||||
"byHashRequestBytes": 574561
|
||||
}
|
||||
},
|
||||
"wallSpeedup": 1.051,
|
||||
"uploadByteReductionPercent": 50.005
|
||||
}
|
||||
],
|
||||
"decision": "rejected; production reverted because the all-miss case was 10.2% slower with higher heap/RSS, while the 50%-hit case doubled heap and added about 27.9 MiB RSS"
|
||||
}
|
||||
@@ -0,0 +1,371 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T20:09:18.980Z",
|
||||
"decisions": {
|
||||
"progressAccumulator": "accepted",
|
||||
"queueCursor": "superseded by the process-isolated memory gate; accepted only by explicit user trade-off",
|
||||
"dedupAbove10000": "rejected by the full workflow gate; production reverted"
|
||||
},
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"release": "25.5.0",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"logicalCpus": 14,
|
||||
"gcExposed": true
|
||||
},
|
||||
"config": {
|
||||
"suite": "all",
|
||||
"warmup": 3,
|
||||
"samples": 9,
|
||||
"queueCounts": [
|
||||
10000,
|
||||
50000,
|
||||
100000
|
||||
],
|
||||
"progressCases": [
|
||||
{
|
||||
"items": 1000,
|
||||
"updates": 10000
|
||||
},
|
||||
{
|
||||
"items": 10000,
|
||||
"updates": 5000
|
||||
},
|
||||
{
|
||||
"items": 20000,
|
||||
"updates": 5000
|
||||
}
|
||||
],
|
||||
"hashCounts": [
|
||||
10001,
|
||||
25000
|
||||
],
|
||||
"dedupBatchSize": 2048,
|
||||
"dedupConcurrency": 4,
|
||||
"serverLatencyMs": 0,
|
||||
"modeledFileBytes": 65536
|
||||
},
|
||||
"notes": {
|
||||
"heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
|
||||
"dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
|
||||
},
|
||||
"suites": {
|
||||
"queue": [
|
||||
{
|
||||
"chunkCount": 10000,
|
||||
"current": {
|
||||
"sampleCount": 9,
|
||||
"medianMs": 0.9245830000000126,
|
||||
"p95Ms": 1.8680839999999819,
|
||||
"minMs": 0.25729200000000674,
|
||||
"maxMs": 1.8680839999999819,
|
||||
"medianHeapDeltaBytes": 292640,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 9,
|
||||
"medianMs": 0.18579199999999219,
|
||||
"p95Ms": 0.49079100000000153,
|
||||
"minMs": 0.17525000000000546,
|
||||
"maxMs": 0.49079100000000153,
|
||||
"medianHeapDeltaBytes": 295520,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 4.976441396831142,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 4052813061,
|
||||
"chunkCount": 10000,
|
||||
"totalBytes": 1474232320,
|
||||
"batchCount": 175
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 4052813061,
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||||
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@@ -0,0 +1,189 @@
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||||
{
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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"hybrid_delta_percent": 12.05
|
||||
}
|
||||
],
|
||||
"tradeoff": "explicitly accepted by the user: retain 60.03x/51.16x median speedups for +720 KiB/+1008 KiB max RSS at 500/1000 orphan manifests"
|
||||
},
|
||||
"rejected_borrowed_sqlx_bind": {
|
||||
"candidate": "bind Vec<&str> borrowed from the returned manifest batch instead of cloning each unique hash into Vec<String>",
|
||||
"latency_gate": [
|
||||
{"orphan_manifests": 2, "samples": 15, "owned_median_ms": 4.843, "borrowed_median_ms": 4.800, "borrowed_delta_percent": 0.89},
|
||||
{"orphan_manifests": 500, "samples": 15, "owned_median_ms": 24.709, "borrowed_median_ms": 27.459, "borrowed_regression_percent": 11.13},
|
||||
{"orphan_manifests": 1000, "samples": 15, "owned_median_ms": 55.042, "borrowed_median_ms": 56.439, "borrowed_regression_percent": 2.54}
|
||||
],
|
||||
"fresh_process_max_rss_gate": [
|
||||
{"orphan_manifests": 2, "runs_per_mode": 3, "owned_bytes": [7880704, 7798784, 7897088], "borrowed_bytes": [7700480, 7766016, 7864320], "owned_median_bytes": 7880704, "borrowed_median_bytes": 7766016, "borrowed_saves_bytes": 114688},
|
||||
{"orphan_manifests": 500, "runs_per_mode": 3, "owned_bytes": [9224192, 9191424, 9224192], "borrowed_bytes": [9093120, 9043968, 9011200], "owned_median_bytes": 9224192, "borrowed_median_bytes": 9043968, "borrowed_saves_bytes": 180224},
|
||||
{"orphan_manifests": 1000, "runs_per_mode": 3, "owned_bytes": [9912320, 9584640, 9797632], "borrowed_bytes": [9388032, 9469952, 9240576], "owned_median_bytes": 9797632, "borrowed_median_bytes": 9388032, "borrowed_saves_bytes": 409600}
|
||||
],
|
||||
"decision": "rejected; it saved 112-400 KiB max RSS but regressed median latency by 11.13% at 500 and 2.54% at 1000"
|
||||
},
|
||||
"rejected_sorted_rle": {
|
||||
"candidate": "borrowed hash references sorted/deduplicated per manifest, then globally sorted and run-length counted",
|
||||
"latency_vs_owned_hashmap": [
|
||||
{"orphan_manifests": 2, "samples": 15, "owned_median_ms": 37.077, "sorted_median_ms": 61.889, "sorted_regression_percent": 66.93},
|
||||
{"orphan_manifests": 500, "samples": 15, "owned_median_ms": 63.912, "sorted_median_ms": 64.707, "sorted_regression_percent": 1.24},
|
||||
{"orphan_manifests": 1000, "samples": 15, "owned_median_ms": 151.758, "sorted_median_ms": 140.429, "sorted_improvement_percent": 7.47}
|
||||
],
|
||||
"fresh_process_max_rss_vs_serial": [
|
||||
{"orphan_manifests": 2, "runs_per_mode": 5, "serial_median_bytes": 7766016, "sorted_median_bytes": 7782400, "sorted_delta_bytes": 16384},
|
||||
{"orphan_manifests": 500, "runs_per_mode": 5, "serial_median_bytes": 8421376, "sorted_median_bytes": 8978432, "sorted_delta_bytes": 557056},
|
||||
{"orphan_manifests": 1000, "runs_per_mode": 5, "serial_median_bytes": 8503296, "sorted_median_bytes": 9273344, "sorted_delta_bytes": 770048}
|
||||
],
|
||||
"bounded_followup": "exploratory only and interrupted after the user explicitly selected the faster threshold-2 HashMap implementation; never applied to production",
|
||||
"decision": "rejected; it was not Pareto on latency and still raised max RSS"
|
||||
},
|
||||
"correctness_checks": [
|
||||
"all collectible manifests removed",
|
||||
"file-backed live manifests preserved",
|
||||
"blob ref_count equals the distinct-per-manifest reference model",
|
||||
"repeated chunk hashes within one manifest decrement once",
|
||||
"no ref_count underflow",
|
||||
"new zero-ref blobs receive orphaned_at",
|
||||
"live referenced blobs keep orphaned_at NULL",
|
||||
"statement counts equal the selected algorithm exactly"
|
||||
],
|
||||
"failure_semantics": "The accepted hybrid retains the historical separate DELETE then UPDATE failure semantics. A failure between them can leave a conservative high ref_count/leak; no transaction was added because BEGIN/COMMIT would require a separate latency gate.",
|
||||
"decision": "accepted_by_explicit_user_tradeoff: keep owned-HashMap threshold 2; 60.03x/51.16x median speedups cost +720 KiB/+1008 KiB max RSS at 500/1000 manifests. Atomic-CTE, borrowed-bind, and sorted/RLE alternatives remain rejected."
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21",
|
||||
"environment": {
|
||||
"platform": "darwin",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"postgres": "18.2 local Docker container"
|
||||
},
|
||||
"fixture": {
|
||||
"blobs": 1000000,
|
||||
"sampleSize": 100,
|
||||
"hashShape": "two concatenated MD5 hex digests",
|
||||
"middleSampleCount": 100,
|
||||
"wraparoundSampleCount": 100
|
||||
},
|
||||
"orderByRandom": {
|
||||
"samplesMs": [111.796, 103.906, 93.862, 88.090, 100.442],
|
||||
"medianMs": 100.442
|
||||
},
|
||||
"indexedHashRing": {
|
||||
"samplesMs": [0.474, 0.323, 0.376, 0.267, 0.491],
|
||||
"medianMs": 0.376
|
||||
},
|
||||
"speedup": 267.13,
|
||||
"statisticalReview": {
|
||||
"orderedHashFailureRangePercent": 1,
|
||||
"contiguousWindowDetectionProbabilityPercent": 1,
|
||||
"independentSamplesDetectionProbabilityPercent": 63.4,
|
||||
"reason": "A single random-pivot successor window is gap-biased and its 100 rows are correlated. It does not preserve ORDER BY random() detection power for localized or prefix/backend failures."
|
||||
},
|
||||
"decision": "rejected; production reverted despite 267.13x query speed because verification semantics regressed"
|
||||
}
|
||||
@@ -0,0 +1,76 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21",
|
||||
"benchmark": "run_migration_workset_materialization",
|
||||
"baseline": "one ordered SQL stream collected into Vec before backend work",
|
||||
"candidates": [
|
||||
"keyset pages of 65536 rows, each page released after consumption",
|
||||
"keyset pages of 262144 rows, each page released after consumption"
|
||||
],
|
||||
"environment": {
|
||||
"clientPlatform": "macOS 26.5.2 arm64, Apple M4 Pro",
|
||||
"postgres": "18.2-alpine3.23 in oxicloud-postgres-1",
|
||||
"transport": "SQLx over the container private IP because the published localhost port refused connections",
|
||||
"profile": "release",
|
||||
"processIsolation": "one fresh client process per sample; connection and COUNT warm-up precede the timer"
|
||||
},
|
||||
"fixture": {
|
||||
"rows": 1000000,
|
||||
"rowShape": "64-byte lowercase hexadecimal hash plus bigint size",
|
||||
"expectedChecksum": 4156242879243796640,
|
||||
"order": "ORDER BY hash",
|
||||
"measuredCompleteRounds": 5,
|
||||
"plannedRounds": 7,
|
||||
"executionOrder": [
|
||||
["current", "paged65536", "paged262144"],
|
||||
["paged262144", "paged65536", "current"],
|
||||
["paged65536", "current", "paged262144"],
|
||||
["current", "paged65536", "paged262144"],
|
||||
["paged262144", "paged65536", "current"]
|
||||
]
|
||||
},
|
||||
"results": {
|
||||
"current": {
|
||||
"elapsedMs": [644.398, 964.231, 261.508, 1175.821, 265.14],
|
||||
"medianElapsedMs": 644.398,
|
||||
"maxToMinElapsedRatio": 4.5,
|
||||
"rssBytes": [106020864, 106070016, 106004480, 106053632, 106053632],
|
||||
"medianRssBytes": 106053632,
|
||||
"peakRows": 1000000
|
||||
},
|
||||
"paged65536": {
|
||||
"elapsedMs": [1198.549, 4080.427, 1622.317, 2558.891, 1508.613],
|
||||
"medianElapsedMs": 1622.317,
|
||||
"elapsedRatioVsCurrent": 2.5176,
|
||||
"medianElapsedRegressionPercent": 151.76,
|
||||
"maxToMinElapsedRatio": 3.4,
|
||||
"rssBytes": [18366464, 16236544, 16236544, 18350080, 18300928],
|
||||
"medianRssBytes": 18300928,
|
||||
"medianRssReductionPercent": 82.74,
|
||||
"peakRows": 65536
|
||||
},
|
||||
"paged262144": {
|
||||
"elapsedMs": [320.191, 1297.052, 2871.904, 2333.342, 1928.731],
|
||||
"medianElapsedMs": 1928.731,
|
||||
"elapsedRatioVsCurrent": 2.9931,
|
||||
"medianElapsedRegressionPercent": 199.31,
|
||||
"maxToMinElapsedRatio": 8.97,
|
||||
"rssBytes": [60833792, 60866560, 58703872, 63012864, 58654720],
|
||||
"medianRssBytes": 60833792,
|
||||
"medianRssReductionPercent": 42.64,
|
||||
"peakRows": 262144
|
||||
}
|
||||
},
|
||||
"correctness": {
|
||||
"allMeasuredSamplesReturnedRows": 1000000,
|
||||
"allMeasuredSamplesReturnedChecksum": 4156242879243796640,
|
||||
"orderedRowEquivalence": "PASS"
|
||||
},
|
||||
"invalidAttempts": [
|
||||
"The first host-private-IP run stopped after four samples with PoolTimedOut and was discarded.",
|
||||
"The recorded run stopped after five complete three-way rounds when the Docker bridge failed again; its complete rounds are retained because every mode is present in each round.",
|
||||
"A final attempt compiled the harness inside a preinstalled Rust container sharing PostgreSQL's network namespace, but the build container exited before producing any benchmark sample."
|
||||
],
|
||||
"decision": "rejected; production unchanged",
|
||||
"reason": "Both bounded-memory candidates reduced RSS, but neither passed the no-material-latency-regression gate. Production run_migration remains unchanged."
|
||||
}
|
||||
@@ -0,0 +1,179 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T20:30:26.794Z",
|
||||
"decision": "evidence_only_superseded_by_focused_gate; exact output and all medians improved, but the one-file p95 was noisy and regressed, so acceptance relies on the later 41-sample focused gate",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"release": "25.5.0",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"logicalCpus": 14,
|
||||
"gcExposed": true
|
||||
},
|
||||
"config": {
|
||||
"suite": "progress",
|
||||
"warmup": 5,
|
||||
"samples": 25,
|
||||
"queueCounts": [
|
||||
64,
|
||||
256,
|
||||
1024,
|
||||
10000,
|
||||
50000
|
||||
],
|
||||
"progressCases": [
|
||||
{
|
||||
"items": 1,
|
||||
"updates": 100
|
||||
},
|
||||
{
|
||||
"items": 10,
|
||||
"updates": 500
|
||||
},
|
||||
{
|
||||
"items": 100,
|
||||
"updates": 5000
|
||||
}
|
||||
],
|
||||
"hashCounts": [
|
||||
1000,
|
||||
10000,
|
||||
10001,
|
||||
25000
|
||||
],
|
||||
"dedupBatchSize": 10000,
|
||||
"dedupConcurrency": 4,
|
||||
"serverLatencyMs": 0,
|
||||
"modeledFileBytes": 65536
|
||||
},
|
||||
"notes": {
|
||||
"heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
|
||||
"dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
|
||||
},
|
||||
"suites": {
|
||||
"progress": [
|
||||
{
|
||||
"items": 1,
|
||||
"updates": 100,
|
||||
"repetitions": 1000,
|
||||
"normalizedMedianUsPerRun": {
|
||||
"current": 1.069250000000011,
|
||||
"candidate": 0.32845800000006875
|
||||
},
|
||||
"current": {
|
||||
"sampleCount": 25,
|
||||
"medianMs": 1.069250000000011,
|
||||
"p95Ms": 2.1355839999999944,
|
||||
"minMs": 0.47479199999997945,
|
||||
"maxMs": 2.813957999999957,
|
||||
"medianHeapDeltaBytes": 1768864,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 25,
|
||||
"medianMs": 0.32845800000006875,
|
||||
"p95Ms": 11.240291999999954,
|
||||
"minMs": 0.2692909999999529,
|
||||
"maxMs": 35.88008300000001,
|
||||
"medianHeapDeltaBytes": 168848,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 3.255362938335456,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 8562000,
|
||||
"lastPercent": 22,
|
||||
"finalSum": 215.8203125
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 8562000,
|
||||
"lastPercent": 22,
|
||||
"finalSum": 215.8203125
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"items": 10,
|
||||
"updates": 500,
|
||||
"repetitions": 200,
|
||||
"normalizedMedianUsPerRun": {
|
||||
"current": 17.718959999999697,
|
||||
"candidate": 3.242289999999457
|
||||
},
|
||||
"current": {
|
||||
"sampleCount": 25,
|
||||
"medianMs": 3.5437919999999394,
|
||||
"p95Ms": 15.97524999999996,
|
||||
"minMs": 1.7652080000000296,
|
||||
"maxMs": 239.03012499999977,
|
||||
"medianHeapDeltaBytes": 1099512,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 25,
|
||||
"medianMs": 0.6484579999998914,
|
||||
"p95Ms": 3.759457999999995,
|
||||
"minMs": 0.22216699999989942,
|
||||
"maxMs": 35.765333000000055,
|
||||
"medianHeapDeltaBytes": 77648,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 5.464952240546856,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 27254400,
|
||||
"lastPercent": 44,
|
||||
"finalSum": 871.2890625
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 27254400,
|
||||
"lastPercent": 44,
|
||||
"finalSum": 871.2890625
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"items": 100,
|
||||
"updates": 5000,
|
||||
"repetitions": 20,
|
||||
"normalizedMedianUsPerRun": {
|
||||
"current": 6256.843750000007,
|
||||
"candidate": 13.327049999998053
|
||||
},
|
||||
"current": {
|
||||
"sampleCount": 25,
|
||||
"medianMs": 125.13687500000015,
|
||||
"p95Ms": 234.41116699999975,
|
||||
"minMs": 33.03545800000029,
|
||||
"maxMs": 246.10770900000034,
|
||||
"medianHeapDeltaBytes": 1590568,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 25,
|
||||
"medianMs": 0.26654099999996106,
|
||||
"p95Ms": 2.754667000000154,
|
||||
"minMs": 0.2102919999997539,
|
||||
"maxMs": 4.791457999999693,
|
||||
"medianHeapDeltaBytes": 51728,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 469.48452583286786,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 240082660,
|
||||
"lastPercent": 51,
|
||||
"finalSum": 1024.8828125
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 240082660,
|
||||
"lastPercent": 51,
|
||||
"finalSum": 1024.8828125
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"blackhole": 0
|
||||
}
|
||||
@@ -0,0 +1,91 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
"generatedAt": "2026-07-21T20:30:43.534Z",
|
||||
"decision": "accepted; repeated tiny-case gate improved with identical output",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
"release": "25.5.0",
|
||||
"arch": "arm64",
|
||||
"cpu": "Apple M4 Pro",
|
||||
"logicalCpus": 14,
|
||||
"gcExposed": true
|
||||
},
|
||||
"config": {
|
||||
"suite": "progress",
|
||||
"warmup": 7,
|
||||
"samples": 41,
|
||||
"queueCounts": [
|
||||
64,
|
||||
256,
|
||||
1024,
|
||||
10000,
|
||||
50000
|
||||
],
|
||||
"progressCases": [
|
||||
{
|
||||
"items": 1,
|
||||
"updates": 100
|
||||
}
|
||||
],
|
||||
"hashCounts": [
|
||||
1000,
|
||||
10000,
|
||||
10001,
|
||||
25000
|
||||
],
|
||||
"dedupBatchSize": 10000,
|
||||
"dedupConcurrency": 4,
|
||||
"serverLatencyMs": 0,
|
||||
"modeledFileBytes": 65536
|
||||
},
|
||||
"notes": {
|
||||
"heap": "Median heap delta is indicative only; timing is the primary microbenchmark metric.",
|
||||
"dedup": "The current >10k path is faster only because it is rejected and returns no owned hashes."
|
||||
},
|
||||
"suites": {
|
||||
"progress": [
|
||||
{
|
||||
"items": 1,
|
||||
"updates": 100,
|
||||
"repetitions": 1000,
|
||||
"normalizedMedianUsPerRun": {
|
||||
"current": 0.7972500000000764,
|
||||
"candidate": 0.28862500000002456
|
||||
},
|
||||
"current": {
|
||||
"sampleCount": 41,
|
||||
"medianMs": 0.7972500000000764,
|
||||
"p95Ms": 14.158166000000165,
|
||||
"minMs": 0.4542079999998805,
|
||||
"maxMs": 34.321249999999964,
|
||||
"medianHeapDeltaBytes": 1768864,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"candidate": {
|
||||
"sampleCount": 41,
|
||||
"medianMs": 0.28862500000002456,
|
||||
"p95Ms": 6.337833000000046,
|
||||
"minMs": 0.2605829999999969,
|
||||
"maxMs": 20.904042000000004,
|
||||
"medianHeapDeltaBytes": 168848,
|
||||
"medianRssDeltaBytes": 0
|
||||
},
|
||||
"speedup": 2.7622347336509607,
|
||||
"representative": {
|
||||
"current": {
|
||||
"checksum": 8562000,
|
||||
"lastPercent": 22,
|
||||
"finalSum": 215.8203125
|
||||
},
|
||||
"candidate": {
|
||||
"checksum": 8562000,
|
||||
"lastPercent": 22,
|
||||
"finalSum": 215.8203125
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"blackhole": 0
|
||||
}
|
||||
@@ -0,0 +1,188 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
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|
||||
"decision": "superseded by queue-memory-process-node26-macos-arm64.json; cursor accepted only by explicit user trade-off after the isolated RSS gate",
|
||||
"environment": {
|
||||
"node": "v26.5.0",
|
||||
"platform": "darwin",
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
{
|
||||
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|
||||
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|
||||
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|
||||
{
|
||||
"items": 10,
|
||||
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|
||||
},
|
||||
{
|
||||
"items": 100,
|
||||
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|
||||
},
|
||||
{
|
||||
"items": 1000,
|
||||
"updates": 10000
|
||||
},
|
||||
{
|
||||
"items": 10000,
|
||||
"updates": 5000
|
||||
}
|
||||
],
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
}
|
||||
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|
||||
{
|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
}
|
||||
},
|
||||
{
|
||||
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|
||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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|
||||
}
|
||||
]
|
||||
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|
||||
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|
||||
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|
||||
@@ -0,0 +1,693 @@
|
||||
{
|
||||
"schemaVersion": 1,
|
||||
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|
||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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@@ -0,0 +1,124 @@
|
||||
{
|
||||
"date": "2026-07-21",
|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
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{
|
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|
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|
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|
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|
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|
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},
|
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{
|
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|
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|
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|
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|
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|
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|
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|
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{
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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}
|
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],
|
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|
||||
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|
||||
"The browser delta protocol already negotiates missing hashes, so all-miss is the normal receive path; a PostgreSQL prefilter would add queries and up to 8 MiB of request buffering there.",
|
||||
"A metadata row does not prove that the backing object still exists. Skipping PUT from PostgreSQL state alone removes the current self-healing behavior for backend-missing objects.",
|
||||
"No candidate established a Pareto improvement across the normal miss path, remote bytes, memory, and repair semantics."
|
||||
]
|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
"manifest_same_hash_100_final_chunk_ref": 1,
|
||||
"different_hash_ref_counts": "passed",
|
||||
"delete_and_force_gc": "passed",
|
||||
"missing_file_compensation": "passed",
|
||||
"sql_error_compensation": "passed",
|
||||
"blob_deletion_hooks": "passed"
|
||||
},
|
||||
"roundtrips_per_iteration": {
|
||||
"legacy_same_hash": 3,
|
||||
"manifest_same_hash": 2,
|
||||
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|
||||
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|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
},
|
||||
"baseline": [
|
||||
{
|
||||
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|
||||
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|
||||
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|
||||
},
|
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{
|
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|
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|
||||
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|
||||
}
|
||||
],
|
||||
"candidate": [
|
||||
{
|
||||
"same_p50_ms": 3.7,
|
||||
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|
||||
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|
||||
},
|
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{
|
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|
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|
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|
||||
}
|
||||
],
|
||||
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|
||||
},
|
||||
"result": "rejected",
|
||||
"rejection_reasons": [
|
||||
"storage.files stores only a content hash and cannot identify whether that file reference is owned by storage.blobs or storage.chunk_manifests when both rows coexist for the same hash.",
|
||||
"In a mixed legacy-to-CDC transition the CTE can decrement the manifest when the displaced reference was legacy, causing undercount, or preserve the manifest and leak the shadowed legacy reference and bytes.",
|
||||
"The candidate therefore cannot be made correct solely inside FileBlobWriteRepository; representation ownership must first be normalized or made explicit."
|
||||
],
|
||||
"remaining_baseline_issue": "A normal identical-content overwrite leaks the newly acquired reference (1 becomes N+1). This remains deliberately unfixed rather than replacing it with ambiguous undercount/data-loss risk."
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,54 @@
|
||||
{
|
||||
"benchmark": "verify_integrity_phase1_and_full_method_simulation",
|
||||
"date": "2026-07-21",
|
||||
"decision": {
|
||||
"status": "rejected",
|
||||
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|
||||
"reason": "This owned-key candidate increased scratch max RSS by 180224 bytes and was not accepted. It was superseded by the sorted borrowed-key concurrency-8 implementation documented in verify_integrity_sorted_c8_2026-07-22.json."
|
||||
},
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"remote_simulated_latency_ms": 4,
|
||||
"acceptance_thresholds": {
|
||||
"ordered_issues": "byte-for-byte equal",
|
||||
"backend_calls": "candidate <= current",
|
||||
"substantive_timing": "candidate strictly faster",
|
||||
"unchanged_serial_fast_path": "candidate/current >= 0.95",
|
||||
"sub_100ns_measurements": "candidate <= current + 20ns",
|
||||
"rss": "candidate <= current unless the user explicitly authorizes a measured regression"
|
||||
},
|
||||
"rejected_zero_latency_before_fast_path": [
|
||||
{ "scenario": "1_manifest_x_2", "current_ms": 0.000014, "candidate_ms": 0.000894, "speedup": 0.016 },
|
||||
{ "scenario": "2_manifests_x_1", "current_ms": 0.000016, "candidate_ms": 0.001071, "speedup": 0.015 },
|
||||
{ "scenario": "1_manifest_x_4", "current_ms": 0.000023, "candidate_ms": 0.001469, "speedup": 0.016 }
|
||||
],
|
||||
"timing_results": [
|
||||
{ "scenario": "immediate_one_manifest_two", "phase1_ms": [0.000013, 0.000013], "phase1_speedup": 1.000, "full_ms": [0.000144, 0.000144], "full_speedup": 1.000, "phase1_calls": [2, 2], "full_calls": [4, 4], "issues_equal": true },
|
||||
{ "scenario": "immediate_two_manifests_one", "phase1_ms": [0.000014, 0.000016], "phase1_speedup": 0.875, "full_ms": [0.000145, 0.000146], "full_speedup": 0.993, "phase1_calls": [2, 2], "full_calls": [4, 4], "issues_equal": true },
|
||||
{ "scenario": "immediate_one_manifest_four", "phase1_ms": [0.000020, 0.000020], "phase1_speedup": 1.000, "full_ms": [0.000227, 0.000226], "full_speedup": 1.004, "phase1_calls": [4, 4], "full_calls": [8, 8], "issues_equal": true },
|
||||
{ "scenario": "local_tiny_empty", "phase1_ms": [0.000004, 0.000004], "phase1_speedup": 1.000, "full_ms": [0.000054, 0.000054], "full_speedup": 1.000, "phase1_calls": [0, 0], "full_calls": [0, 0], "issues_equal": true },
|
||||
{ "scenario": "local_tiny_single", "phase1_ms": [1.573850, 1.565981], "phase1_speedup": 1.005, "full_ms": [5.215304, 5.224075], "full_speedup": 0.998, "phase1_calls": [1, 1], "full_calls": [2, 2], "issues_equal": true },
|
||||
{ "scenario": "local_small_unique", "phase1_ms": [6.173358, 6.062208], "phase1_speedup": 1.018, "full_ms": [9.635729, 9.577837], "full_speedup": 1.006, "phase1_calls": [4, 4], "full_calls": [8, 8], "issues_equal": true },
|
||||
{ "scenario": "local_semantics", "phase1_ms": [19.824417, 1.293583], "phase1_speedup": 15.325, "full_ms": [23.969709, 5.060584], "full_speedup": 4.737, "phase1_calls": [12, 6], "full_calls": [16, 10], "issues_equal": true },
|
||||
{ "scenario": "local_shared", "phase1_ms": [771.930083, 5.914542], "phase1_speedup": 130.514, "full_ms": [784.165500, 13.935208], "full_speedup": 56.272, "phase1_calls": [512, 64], "full_calls": [544, 96], "issues_equal": true },
|
||||
{ "scenario": "local_unique", "phase1_ms": [417.543458, 26.467917], "phase1_speedup": 15.775, "full_ms": [488.088375, 95.696541], "full_speedup": 5.100, "phase1_calls": [256, 256], "full_calls": [512, 512], "issues_equal": true },
|
||||
{ "scenario": "local_hash_dominated", "phase1_ms": [798.974041, 7.262542], "phase1_speedup": 110.013, "full_ms": [947.894292, 142.175417], "full_speedup": 6.667, "phase1_calls": [512, 64], "full_calls": [672, 224], "issues_equal": true },
|
||||
{ "scenario": "remote_tiny_single", "phase1_ms": [5.946651, 5.825770], "phase1_speedup": 1.021, "full_ms": [12.171682, 12.221104], "full_speedup": 0.996, "phase1_calls": [1, 1], "full_calls": [2, 2], "issues_equal": true },
|
||||
{ "scenario": "remote_shared", "phase1_ms": [1169.103458, 12.549250], "phase1_speedup": 93.161, "full_ms": [1180.397208, 24.700583], "full_speedup": 47.788, "phase1_calls": [192, 24], "full_calls": [216, 48], "issues_equal": true },
|
||||
{ "scenario": "remote_unique", "phase1_ms": [777.041833, 48.517459], "phase1_speedup": 16.016, "full_ms": [830.103333, 97.427792], "full_speedup": 8.520, "phase1_calls": [128, 128], "full_calls": [256, 256], "issues_equal": true }
|
||||
],
|
||||
"remote_tiny_raw_interleaved_samples_ms": {
|
||||
"phase_current": [5.972041, 5.818484, 5.462442, 5.435223, 5.665474, 5.987218, 5.200437, 6.051963, 6.210510, 5.726651, 5.959099, 6.149390, 5.495677, 6.679635, 5.627703, 6.144088, 6.113260, 6.298692, 6.135348, 5.891848, 5.987041, 6.247567, 5.896729, 5.898213, 6.311750, 5.817687, 5.981401, 6.121276, 5.881609, 5.471724, 5.346536],
|
||||
"phase_candidate": [6.001317, 5.968807, 5.718093, 5.810250, 6.000500, 5.637484, 5.424822, 5.745713, 5.803015, 5.814833, 5.826723, 5.668151, 5.499484, 9.238000, 5.809541, 5.574656, 6.025552, 6.049541, 6.057848, 6.021921, 5.848974, 5.975885, 7.049984, 6.100453, 5.605041, 7.276510, 6.775093, 5.816354, 6.165192, 5.580307, 7.048598],
|
||||
"full_current": [11.370567, 11.387697, 11.628140, 11.325437, 11.993604, 11.828640, 11.401380, 11.721067, 12.006802, 12.157614, 18.172244, 12.098177, 12.020255, 11.991437, 11.633375, 12.128099, 12.005609, 11.712333, 16.508307, 11.919135, 12.695625, 12.155364, 11.964682, 11.588708, 11.581765, 11.558296, 12.172546, 12.264661, 12.716224, 12.976911, 11.821093],
|
||||
"full_candidate": [11.236448, 11.087390, 11.242302, 11.993781, 11.755302, 12.211015, 11.805994, 12.096088, 11.946072, 14.495333, 11.964203, 20.616036, 11.523067, 12.436895, 11.837380, 11.973791, 11.760260, 11.998291, 11.962328, 12.284317, 13.261562, 12.181573, 11.943026, 11.878151, 11.673031, 12.429109, 14.424937, 12.314994, 12.130489, 12.200453, 12.130453]
|
||||
},
|
||||
"rss_gate": {
|
||||
"fixture": "1000 manifests, 250000 unique occurrences, separate processes",
|
||||
"rejected_unbounded": { "current_max_rss_bytes": 34783232, "candidate_max_rss_bytes": 69681152, "decision": "rejected and rolled back" },
|
||||
"windowed_owned_keys": { "current_max_rss_bytes": 34897920, "candidate_max_rss_bytes": 35078144, "delta_bytes": 180224, "delta_percent": 0.52, "decision": "rejected and superseded by the sorted borrowed-key concurrency-8 implementation" }
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,122 @@
|
||||
{
|
||||
"benchmark": "verify_integrity_sorted_borrowed_c8",
|
||||
"date": "2026-07-22",
|
||||
"decision": {
|
||||
"status": "accepted_by_explicit_user_tradeoff",
|
||||
"productionVariant": "fetch_all + exact serial path through 4 occurrences + 256-occurrence sorted borrowed windows + concurrency 8",
|
||||
"reason": "Exact issue order and backend-call gates passed. Real filesystem and remote full-method cases improved materially. After disclosure of a measured peak cost up to 112 KiB, the user explicitly reauthorized retaining the candidate; the final exact BoxFut RSS medians were +112 KiB phase 1 and +80 KiB full method."
|
||||
},
|
||||
"implementation": {
|
||||
"keys": "sorted Vec<&str>",
|
||||
"results": "parallel Vec<Option<u64>>",
|
||||
"lookup": "binary search, at most 8 comparisons for a 256-occurrence window",
|
||||
"scheduler": "bounded FuturesUnordered",
|
||||
"manifest_concurrency": 8,
|
||||
"phase_two_concurrency_unchanged": 16,
|
||||
"occurrence_window": 256,
|
||||
"serial_fast_path_max_occurrences": 4,
|
||||
"manifest_query": "unchanged fetch_all"
|
||||
},
|
||||
"correctness": {
|
||||
"ordered_issues_equal": true,
|
||||
"candidate_backend_calls_not_greater": true,
|
||||
"malformed_manifest_backend_calls": 0,
|
||||
"repeated_occurrences_replayed": true,
|
||||
"large_manifest_sliced": true,
|
||||
"tiny_path_uses_identical_serial_code": true
|
||||
},
|
||||
"real_filesystem_boxfut_c8_31_samples": [
|
||||
{
|
||||
"scenario": "shared",
|
||||
"phase_ms": {
|
||||
"historical": 4.869042,
|
||||
"sorted": 0.458167,
|
||||
"speedup": 10.627221
|
||||
},
|
||||
"full_ms": {
|
||||
"historical": 5.599625,
|
||||
"sorted": 0.971125,
|
||||
"speedup": 5.766122
|
||||
},
|
||||
"phase_calls": [512, 64],
|
||||
"full_calls": [544, 96]
|
||||
},
|
||||
{
|
||||
"scenario": "unique",
|
||||
"phase_ms": {
|
||||
"historical": 2.398167,
|
||||
"sorted": 1.831541,
|
||||
"speedup": 1.309371
|
||||
},
|
||||
"full_ms": {
|
||||
"historical": 6.022667,
|
||||
"sorted": 5.545917,
|
||||
"speedup": 1.085964
|
||||
},
|
||||
"phase_calls": [256, 256],
|
||||
"full_calls": [512, 512]
|
||||
},
|
||||
{
|
||||
"scenario": "mixed_existing_and_missing_unique",
|
||||
"phase_ms": {
|
||||
"historical": 2.369208,
|
||||
"sorted": 1.833333,
|
||||
"speedup": 1.292296
|
||||
},
|
||||
"full_ms": {
|
||||
"historical": 5.755125,
|
||||
"sorted": 5.253833,
|
||||
"speedup": 1.095415
|
||||
},
|
||||
"phase_calls": [256, 256],
|
||||
"full_calls": [496, 496]
|
||||
}
|
||||
],
|
||||
"remote_boxfut_c8": [
|
||||
{
|
||||
"scenario": "shared",
|
||||
"phase_ms": [1122.720666, 17.170333],
|
||||
"phase_speedup": 65.387239,
|
||||
"full_ms": [1138.407208, 29.148208],
|
||||
"full_speedup": 39.055821,
|
||||
"phase_calls": [192, 24],
|
||||
"full_calls": [216, 48]
|
||||
},
|
||||
{
|
||||
"scenario": "unique",
|
||||
"phase_ms": [769.160459, 96.641416],
|
||||
"phase_speedup": 7.958911,
|
||||
"full_ms": [824.404334, 144.857708],
|
||||
"full_speedup": 5.691132,
|
||||
"phase_calls": [128, 128],
|
||||
"full_calls": [256, 256]
|
||||
}
|
||||
],
|
||||
"rss_11_fresh_process_medians": {
|
||||
"fixture": "1000 manifests, 250000 unique occurrences, BoxFut backend model",
|
||||
"phase_one": {
|
||||
"historical_bytes": 26771456,
|
||||
"sorted_bytes": 26886144,
|
||||
"delta_bytes": 114688,
|
||||
"delta_kib": 112,
|
||||
"delta_percent": 0.4284
|
||||
},
|
||||
"full_method": {
|
||||
"historical_bytes": 26836992,
|
||||
"sorted_bytes": 26918912,
|
||||
"delta_bytes": 81920,
|
||||
"delta_kib": 80,
|
||||
"delta_percent": 0.3053
|
||||
},
|
||||
"requested_heap_scratch_bytes": {
|
||||
"historical": 144,
|
||||
"sorted": 9360
|
||||
}
|
||||
},
|
||||
"tiny_gate": {
|
||||
"scenarios": ["1x2", "2x1", "1x4"],
|
||||
"implementation": "same serial loop for historical and candidate",
|
||||
"calls_equal": true,
|
||||
"issues_equal": true
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,128 @@
|
||||
{
|
||||
"benchmark": "verify_integrity_sqlx_streaming",
|
||||
"date": "2026-07-22",
|
||||
"decision": {
|
||||
"status": "rejected",
|
||||
"reason": "The bounded producer/channel variant reduced RSS by 74.23% and accelerated phase 1, but the same-round full-method median was 4.17% slower than the historical implementation. No streaming code was applied to production."
|
||||
},
|
||||
"fixture": {
|
||||
"database": "fresh disposable PostgreSQL database",
|
||||
"manifest_rows": 1000,
|
||||
"manifest_occurrences": 250000,
|
||||
"blob_rows": 250000,
|
||||
"query_count": {
|
||||
"phase_one": 1,
|
||||
"full_method": 2
|
||||
},
|
||||
"prefetch_rows": 16,
|
||||
"normal_prefetch_occurrence_bound": 4000,
|
||||
"window_occurrences": 256,
|
||||
"large_manifest_occurrences": 1024,
|
||||
"samples_per_mode": 7,
|
||||
"fresh_processes": true,
|
||||
"rotated_order": true
|
||||
},
|
||||
"semantic_gates": [
|
||||
{
|
||||
"scenario": "empty",
|
||||
"rows": 0,
|
||||
"phase_calls": [0, 0, 0, 0],
|
||||
"full_calls": [0, 0, 0, 0],
|
||||
"issues_equal": true
|
||||
},
|
||||
{
|
||||
"scenario": "one",
|
||||
"rows": 1,
|
||||
"phase_calls": [1, 1, 1, 1],
|
||||
"full_calls": [2, 2, 2, 2],
|
||||
"issues_equal": true
|
||||
},
|
||||
{
|
||||
"scenario": "four",
|
||||
"rows": 1,
|
||||
"phase_calls": [4, 4, 4, 4],
|
||||
"full_calls": [8, 8, 8, 8],
|
||||
"issues_equal": true
|
||||
},
|
||||
{
|
||||
"scenario": "semantics_with_malformed",
|
||||
"rows": 4,
|
||||
"issues": 8,
|
||||
"checksum": 1417964566409558305,
|
||||
"phase_calls_historical_materialized_direct_prefetch": [6, 4, 4, 4],
|
||||
"full_calls_historical_materialized_direct_prefetch": [10, 8, 8, 8],
|
||||
"malformed_probe_suppressed": true,
|
||||
"issues_equal_and_ordered": true
|
||||
},
|
||||
{
|
||||
"scenario": "shared",
|
||||
"phase_calls_historical_materialized_direct_prefetch": [512, 64, 64, 64],
|
||||
"full_calls_historical_materialized_direct_prefetch": [544, 96, 96, 96],
|
||||
"issues_equal": true
|
||||
},
|
||||
{
|
||||
"scenario": "unique",
|
||||
"phase_calls": [256, 256, 256, 256],
|
||||
"full_calls": [512, 512, 512, 512],
|
||||
"issues_equal": true
|
||||
},
|
||||
{
|
||||
"scenario": "large_manifest_sliced",
|
||||
"phase_calls": [1024, 1024, 1024, 1024],
|
||||
"full_calls": [2048, 2048, 2048, 2048],
|
||||
"issues_equal": true
|
||||
}
|
||||
],
|
||||
"final_same_round_abc_medians": {
|
||||
"historical": {
|
||||
"phase_ms": 638.057167,
|
||||
"full_ms": 1146.865750,
|
||||
"max_rss_bytes": 32620544
|
||||
},
|
||||
"materialized_owned": {
|
||||
"phase_ms": 754.104000,
|
||||
"full_ms": 1507.712417,
|
||||
"max_rss_bytes": 32751616
|
||||
},
|
||||
"streaming_prefetch": {
|
||||
"phase_ms": 370.620500,
|
||||
"full_ms": 1194.661583,
|
||||
"max_rss_bytes": 8404992
|
||||
},
|
||||
"prefetch_vs_historical": {
|
||||
"phase_speedup": 1.721592,
|
||||
"full_speedup": 0.959992,
|
||||
"full_regression_percent": 4.1675,
|
||||
"rss_reduction_percent": 74.2341
|
||||
},
|
||||
"prefetch_vs_materialized_owned": {
|
||||
"phase_speedup": 2.034707,
|
||||
"full_speedup": 1.262041,
|
||||
"rss_reduction_percent": 74.3372
|
||||
}
|
||||
},
|
||||
"raw_final_abc_samples": {
|
||||
"historical": {
|
||||
"phase_ms": [638.057167, 302.385875, 473.900417, 774.089833, 632.479584, 1075.826334, 1435.878333],
|
||||
"full_ms": [1146.865750, 630.661958, 1089.854458, 1794.876250, 885.336625, 1857.877417, 1657.854292],
|
||||
"max_rss_bytes": [32669696, 32538624, 32620544, 32636928, 32620544, 32669696, 32604160]
|
||||
},
|
||||
"materialized_owned": {
|
||||
"phase_ms": [299.143625, 704.092708, 657.428250, 1017.416708, 1391.611125, 754.104000, 1051.222917],
|
||||
"full_ms": [774.324375, 1370.037708, 1230.500333, 1860.589583, 1635.081625, 1507.712417, 1900.343500],
|
||||
"max_rss_bytes": [32833536, 32751616, 32899072, 32800768, 32555008, 32555008, 32718848]
|
||||
},
|
||||
"streaming_prefetch": {
|
||||
"phase_ms": [276.988833, 370.693334, 1387.695584, 370.620500, 219.138375, 637.540250, 332.878083],
|
||||
"full_ms": [581.776666, 870.599875, 1666.224584, 1194.661583, 923.753250, 2379.057125, 1565.068625],
|
||||
"max_rss_bytes": [8339456, 8404992, 8617984, 8667136, 8552448, 8372224, 8290304]
|
||||
}
|
||||
},
|
||||
"connection_lifecycle": {
|
||||
"pool_max_connections": 1,
|
||||
"held_during_nonempty_stream": true,
|
||||
"released_before_phase_two": true,
|
||||
"extra_queries": 0,
|
||||
"temporary_database_removed": true
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user