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Update the docs for state_periodic_save_interval (#86611)

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This commit updates the docs for state_periodic_save_interval following
a question in the forums about what the consequences of this change could
be.
This commit is contained in:
George Robinson
2024-04-22 10:13:02 +01:00
committed by GitHub
parent 82daadf56b
commit 30d38c1775
1 changed files with 5 additions and 0 deletions
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docs/sources/alerting/set-up/performance-limitations/index.md
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@ -67,3 +67,8 @@ can also be configured using the `state_periodic_save_interval` configuration fl
The time it takes to write to the database periodically can be monitored using the `state_full_sync_duration_seconds` metric The time it takes to write to the database periodically can be monitored using the `state_full_sync_duration_seconds` metric
that is exposed by Grafana. that is exposed by Grafana.
If Grafana crashes or is force killed, then the database can be up to `state_periodic_save_interval` seconds out of date.
When Grafana restarts, the UI might show incorrect state for some alerts until the alerts are re-evaluated.
In some cases, alerts that were firing before the crash might fire again.
If this happens, Grafana might send duplicate notifications for firing alerts.