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Calibrate metrics batch-query RC envelope

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rcourtman 2026-04-09 23:43:36 +01:00
parent a831f7252a
commit cebf97f3b4
1 changed files with 5 additions and 4 deletions
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9
pkg/metrics/store_slo_test.go
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@ -28,8 +28,9 @@ import (
// - Query(1000 pts): ~400µs → SLO 5ms
// - QueryAll(4×500 pts): ~1.8ms locally; ~15.6ms p95 on the April 9, 2026 v6 RC dry run
// → local SLO 15ms, GH Actions SLO 25ms
// - QueryAllBatch(50×4×100): ~57ms p95 observed locally in March 2026; ~123ms p95 on the April 9, 2026 v6 RC dry run
// → local SLO 60ms, GH Actions SLO 140ms
// - QueryAllBatch(50×4×100): ~57ms p95 observed locally in March 2026; up to
// ~150ms p95 on the April 9, 2026 v6 RC dry runs
// → local SLO 60ms, GH Actions SLO 160ms
// - QueryAllBatch downsampled (50×4×100, 60s): ~31ms locally; ~143ms p95 on the April 9, 2026 v6 RC dry run
// → local SLO 55ms, GH Actions SLO 160ms
// - QueryAllBatch chunked (500×4×20): ~84ms p95 observed locally in March 2026; ~252ms p95 on the April 9, 2026 v6 RC dry run
@ -69,8 +70,8 @@ const (
// 4 metric types × 100 points each) — the batched dashboard chart path.
SLOQueryAllBatchP95 = 60 * time.Millisecond
// SLOQueryAllBatchGitHubActionsP95 matches the slower shared-runner envelope
// observed on GitHub-hosted release rehearsals.
SLOQueryAllBatchGitHubActionsP95 = 140 * time.Millisecond
// observed on the April 9, 2026 GitHub-hosted RC dry runs.
SLOQueryAllBatchGitHubActionsP95 = 160 * time.Millisecond
// SLOQueryAllBatchDownsampledP95 is the p95 target for QueryAllBatch with
// 60-second downsampling (50 resources × 4 metrics × 100 raw points). This