bench #027: solana-tx-landing-latency (active probing) - #80
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New separate bench page complementing #16 (observational market share). Measures p50/p99 time-to-land in ms and slots, plus landing rate, across 5 services from us-east at 1h cadence. Querying solana_landing_probe_* metrics emitted by the active prober (mobula-monorepo PR #6396). Methodology pre-registered at docs/methodology/solana-tx-landing-active.md (PR #79, merged). Cross-linked with #16 via disclaimer + related_benches field.
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Résumé
Nouvelle page bench #27
solana-tx-landing-latency— complémentaire de #16solana-tx-landing(qui reste inchangé).Cross-linking bidirectionnel via
disclaimer+related_benches.Pourquoi deux benches séparés (vs 1 page 2 tabs)
V0-Lean scope (5 services × us-east × cadence 1 h)
?swqos_only=true(isole le path Helius pur du fan-out Jito)NextBlock / bloXroute / SVS reportés V1 (onboarding manuel).
Prom queries
Targetting les métriques
solana_landing_probe_*émises par le nouveau prober actif (mobula-monorepo PR #6396 — déjà mergée).Headline metric :
histogram_quantile(0.5, ...)sursolana_landing_probe_latency_ms_histogram_bucketfiltré par service + mode + region, fenêtre 7 jours.Dépendances
Quand merger
Option A — merger maintenant, page apparaît live avec metrics vides (l'observateur voit "no data yet — bench just launched"). Acceptable et honnête.
Option B — merger après 7 jours de soak une fois le prober activé sur Railway et que la première data est en place. Cleaner UX au launch.
Reco : Option B — laisser cette PR ouverte le temps d'activer le prober en interne + valider 7 jours de data, puis merger.
Test plan
solana_landing_probe_*(les nouvelles métriques) + labelregion="us-east"mode="swqos_only"