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Update rules.yml

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Samuel Berthe 2026-02-21 19:39:21 +01:00 committed by GitHub
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@ -19,8 +19,11 @@ groups:
severity: warning
- name: Prometheus target missing
description: A Prometheus target has disappeared. An exporter might be crashed.
query: "up == 0"
query: "up == 0 unless on(job) (sum by (job) (up) == 0)"
severity: critical
comments: |
Only fire if at least one target in the job is still up.
If all targets are down, PrometheusJobMissing or PrometheusAllTargetsMissing will fire instead.
- name: Prometheus all targets missing
description: A Prometheus job does not have living target anymore.
query: "sum by (job) (up) == 0"