docs: observability improvement plan#43
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Two-change plan to replace the current Prometheus-only pull model: 1. Event-driven webhook notifier for critical state transitions (in/out of committee, epoch change, height stall, peers lost). Fire-and-forget, non-blocking, no-op when unconfigured. 2. OpenTelemetry push export at 2s interval to match block cadence, eliminating missed blocks between Prometheus scrapes. Non-breaking: existing /metrics pull endpoint kept during transition. Also lists 6 new metrics worth adding during the work. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
Proposes two independent, non-breaking changes to move beyond the current Prometheus-only pull model.
Change 1 — Event-driven webhook notifier (quick win)
--webhook-urlis not set — zero impact on existing nodesnotifier/package; hooks into existinginCommitteeGauge.Set(...)call sitesChange 2 — OpenTelemetry push at block cadence
RoundInterval) to an OTel Collector/metricspull endpoint kept during transition — non-breakingAlso documents 6 new metrics worth adding (round duration histogram, vote count, p2p bytes, txpool size, block processing time, QC verify time).
Related
qc_verify_duration_mshistogram is relevant there🤖 Generated with Claude Code