Prometheus notifications backlog warning
The Prometheus notification queue has not been empty for 10 minutes
>>>
min_over_time
(
[10m]) > 0
The query computes the minimum of prometheus_notifications_queue_length over the last 10 minutes and fires when that minimum is > 0, meaning the notification queue has stayed non‑empty for the whole 10‑minute period. The alert triggers if notifications have been pending continuously for at least 10 minutes.
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