From ec8e915a56052ed8b8823cf4ac4295007ddd63bb Mon Sep 17 00:00:00 2001 From: Micha Date: Wed, 17 Jun 2026 21:51:55 +0200 Subject: [PATCH] Classify cAdvisor startup noise --- services/posture-check/log-noise.patterns | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/services/posture-check/log-noise.patterns b/services/posture-check/log-noise.patterns index dbee6e0..12f6185 100644 --- a/services/posture-check/log-noise.patterns +++ b/services/posture-check/log-noise.patterns @@ -95,3 +95,11 @@ monitoring-grafana.*grafana-amazonprometheus-datasource not found # Re-check: if the message references an existing/running container, if # Prometheus target health fails, or if broader cAdvisor errors appear. monitoring-cadvisor.*failed to collect filesystem stats.*var/lib/docker/containers/[0-9a-f]{64} + +# cAdvisor startup lines that match the generic "oom" / "failed" grep. +# Why: "oom_event" is a metric name printed during startup, and Unraid loop +# devices can disappear while cAdvisor enumerates block devices. +# Re-check: if cAdvisor target health fails or these messages appear outside +# container startup together with missing container metrics. +monitoring-cadvisor.*enabled metrics:.*oom_event +monitoring-cadvisor.*stat failed on /dev/loop[0-9]+ with error: no such file or directory