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fix wormhole bench: extend histogram buckets to 30min #1404

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Flotapponnier merged 1 commit into from
Jul 24, 2026
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fix wormhole bench: extend histogram buckets to 30min #1404

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10 changes: 7 additions & 3 deletions harnesses/wormhole-vaa-latency/cmd/script/metrics.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,14 +14,18 @@ import (
// display formatter (2026-07-24 diagnosis: 4.25s displayed as "0.0 s"
// after the site's built-in /1000 normalization).
//
// Buckets are geometric across the observed distribution (BSC ~5-11s,
// Ethereum ~15-25s, Solana ~17-26s, Moonbeam ~40s, tail up to 5min).
// Buckets span the full observed range: fast chains (BSC ~5-11s,
// Solana ~17-26s, Moonbeam ~40s) up through Ethereum/Arbitrum whose
// VAAs only sign after L1 Casper FFG finality (~12.8 min ideal, up
// to ~19 min real). Ceiling at 30 min catches the true tail without
// pinning p90/p99 to a bucket edge (2026-07-24: prior 600_000ms cap
// reported Ethereum/Arbitrum p50 as 600s = bucket edge, not real).
var (
vaaLatencyMs = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Name: "wormhole_vaa_latency_milliseconds",
Help: "Time in milliseconds from source-chain observation to Guardian quorum for a Wormhole VAA, by source chain.",
Buckets: []float64{2_000, 5_000, 10_000, 15_000, 20_000, 30_000, 45_000, 60_000, 90_000, 120_000, 180_000, 300_000, 600_000},
Buckets: []float64{2_000, 5_000, 10_000, 15_000, 20_000, 30_000, 45_000, 60_000, 90_000, 120_000, 180_000, 300_000, 600_000, 900_000, 1_200_000, 1_800_000},
},
[]string{"source_chain"},
)
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