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HOMELAB-1096: rewrite dashboards with PromQL queries #219

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aaron merged 1 commit from plane/HOMELAB-1096-pi-dashboards-with-metrics into live 2026-06-11 06:12:53 +00:00
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aaron commented 2026-06-11 06:12:47 +00:00
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Rewrites all Pi telemetry dashboards to use PromQL (via Prometheus datasource) for stat and time-series panels, keeping Tempo datasource for trace search tables and traces panels.

Why PromQL instead of TraceQL metrics:

  • Tempo 2.6 TraceQL metrics syntax is limited/broken for our use cases
  • Span metrics generated by Tempo's metrics-generator are now flowing to Prometheus via remote_write
  • PromQL is more mature and flexible for aggregations

Panels per dashboard:

  • Stats: Prometheus increase() / rate() queries against traces_spanmetrics_*
  • Time series: Prometheus rate() queries over time
  • Tables: Tempo traceqlSearch for browsing traces
  • Traces: Tempo traceqlSearch for drill-down

Refs: HOMELAB-1096

Rewrites all Pi telemetry dashboards to use PromQL (via Prometheus datasource) for stat and time-series panels, keeping Tempo datasource for trace search tables and traces panels. **Why PromQL instead of TraceQL metrics:** - Tempo 2.6 TraceQL metrics syntax is limited/broken for our use cases - Span metrics generated by Tempo's metrics-generator are now flowing to Prometheus via remote_write - PromQL is more mature and flexible for aggregations **Panels per dashboard:** - Stats: Prometheus `increase()` / `rate()` queries against `traces_spanmetrics_*` - Time series: Prometheus `rate()` queries over time - Tables: Tempo `traceqlSearch` for browsing traces - Traces: Tempo `traceqlSearch` for drill-down Refs: HOMELAB-1096
HOMELAB-1096: rewrite dashboards with PromQL for stats/time series
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aaron merged commit a08c51bb35 into live 2026-06-11 06:12:53 +00:00
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