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infra/stacks/platform/modules
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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
..
authentik Right-size CPU requests cluster-wide and remove missed CPU limits 2026-03-18 08:03:58 +00:00
cloudflared Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
cnpg Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
crowdsec Reduce downtime during platform stack applies 2026-03-18 08:03:59 +00:00
dbaas fix: eliminate memory overcommit to prevent node OOM crashes 2026-03-18 08:03:59 +00:00
headscale Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
infra-maintenance [ci skip] iSCSI migration, healthcheck fixes, health probes, etcd backup 2026-03-06 19:54:21 +00:00
iscsi-csi Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
k8s-portal Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
kyverno fix: eliminate memory overcommit to prevent node OOM crashes 2026-03-18 08:03:59 +00:00
mailserver Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
metallb [ci skip] Move Terraform modules into stack directories 2026-02-22 14:38:14 +00:00
metrics-server [ci skip] Move Terraform modules into stack directories 2026-02-22 14:38:14 +00:00
monitoring fix: eliminate memory overcommit to prevent node OOM crashes 2026-03-18 08:03:59 +00:00
nfs-csi Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
nvidia Right-size CPU requests cluster-wide and remove missed CPU limits 2026-03-18 08:03:58 +00:00
rbac Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
redis Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
reverse_proxy Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
sealed-secrets Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
technitium Right-size CPU requests cluster-wide and remove missed CPU limits 2026-03-18 08:03:58 +00:00
traefik Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
uptime-kuma Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
vaultwarden Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
vpa Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
wireguard Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00
xray Remove all CPU limits cluster-wide to eliminate CFS throttling 2026-03-18 08:03:58 +00:00