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RED metrics dashboard, straight from your spans

Maintainers

The Metrics screen is live: request rate, error percentage and latency percentiles over time for the busiest services of the window — derived from the same spans the trace explorer uses, so there is nothing extra to instrument or operate.

  • Per-service cards. Rate, errors and p50/p95/p99 duration charts over the selected window; filter to one service or let the backend pick the busiest.
  • Same filters everywhere. Global time range, auxiliary-traffic toggle, URL-shareable state — and every card links back to the service's traces.
  • API first. GET /api/v1/metrics/red serves the bucketed series to any client, not just the UI.