Chris LuandGitHub 0e9f702152 metrics: guard time()-based dashboard panels against unset gauges (#9965) ...

* metrics: guard time()-based panels against unset (zero) gauges

Several dashboard panels compute "time() - <gauge>" (uptime, time-since-
last-scrub, lifecycle cursor lag, last daily walk). When the underlying
gauge is unset it reports 0, so the panel rendered ~56 years (time since
the Unix epoch). This is the common case for "Volume Server Uptime": the
Rust volume server doesn't set SeaweedFS_volumeServer_start_time_seconds,
and Go components expose it registered-but-zero.

Guard each such expression with "> 0" so unset/zero series drop out (the
panel shows no data) instead of rendering a nonsensical epoch value.
Affected panels: Master Uptime, Volume Server Uptime, Time Since Last
Scrub, Lifecycle Cursor Lag, Time Since Last Daily Walk.

* metrics: guard Filer Sync Offset Lag and Metadata Subscription Lag panels too

Extend the > 0 guard to the two remaining time()-<gauge> panels that
share the same unset/zero failure mode (filerSync sync offset and the
metadata subscribe last-send timestamp), so they don't render ~56-year
lag when the gauge is absent.

2026-06-14 14:41:18 -07:00

..

grafana_seaweedfs_heartbeat.json

Fix misuse of $__interval instead of $__rate_interval in Grafana panels (#8617)

2026-03-13 07:54:03 -07:00

grafana_seaweedfs_k8s.json

Fix misuse of $__interval instead of $__rate_interval in Grafana panels (#8617)

2026-03-13 07:54:03 -07:00

grafana_seaweedfs.json

metrics: guard time()-based dashboard panels against unset gauges (#9965)

2026-06-14 14:41:18 -07:00