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infra/stacks/platform/modules/kyverno
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Viktor Barzin 9490f1afad fix: eliminate memory overcommit to prevent node OOM crashes 
Set requests = limits (Guaranteed QoS) across LimitRange defaults and
explicit pod resources. Node2 crashed 2026-03-14 from 250% memory
overcommit (61GB limits on 24GB node).

Changes:
- LimitRange: default = defaultRequest for all 6 tiers
- Grafana: 3 → 2 replicas
- Grampsweb: document why replicas=0
- Prometheus: 1Gi/4Gi → 3Gi/3Gi
- OpenClaw: 512Mi/2Gi → 768Mi/768Mi
- Immich server: 256Mi/2Gi → 512Mi/512Mi
- Immich postgresql: 256Mi/1Gi → 512Mi/512Mi
- Calibre: 256Mi/1536Mi → 256Mi/256Mi
- Linkwarden: 256Mi/1536Mi → 768Mi/768Mi
- N8N: 256Mi/1Gi → 512Mi/512Mi
- MySQL cluster: 1Gi/3-4Gi → 2Gi/2Gi
- pg-cluster (CNPG): 512Mi/4Gi → 512Mi/512Mi
- DBaaS ResourceQuota limits.memory: 64Gi → 12Gi

[ci skip]
2026-03-18 08:03:59 +00:00
..
main.tf [ci skip] fix OOMKill: prometheus (4Gi), kyverno-reports (512Mi), grampsweb (512Mi) 2026-03-02 21:39:14 +00:00
resource-governance.tf fix: eliminate memory overcommit to prevent node OOM crashes 2026-03-18 08:03:59 +00:00
security-policies.tf [ci skip] Infrastructure hardening: security, monitoring, reliability, maintainability 2026-02-23 22:05:28 +00:00