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add comment explaining prometheus 4Gi minimum memory requirement [ci skip]

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Viktor Barzin 2026-03-18 21:45:26 +00:00
parent 9d87ce605f
commit b05421dbb5
1 changed files with 2 additions and 0 deletions
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stacks/monitoring/modules/monitoring/prometheus_chart_values.tpl
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@ -158,6 +158,8 @@ server:
existingClaim: prometheus-data existingClaim: prometheus-data
# storageClass: rook-cephfs # storageClass: rook-cephfs
retention: "52w" retention: "52w"
# NOTE: Memory must be >= 4Gi. The WAL tmpfs (2Gi, medium: Memory) shares
# the container's cgroup limit. At 3Gi, Prometheus OOM-kills during WAL replay.
resources: resources:
requests: requests:
cpu: 100m cpu: 100m