Incident Library?

Incident Library?

Contributing factor ?

No alert on limit 한계 경보 부재 · `no-alert-on-limit`

3 cases · 2019 to 2025

Root cause ?Capacity exhaustion 1 Configuration change 1 Faulty deployment 1

Component ?Node pool 2 Admission webhook 1 Cluster autoscaler 1 Descheduler 1 GKE control plane 1 Kubernetes API server 1 Container memory limit 1 Prometheus 1

Symptom ?Service outage 2 Upgrade stall 2 Control plane unresponsive 1 Monitoring outage 1 Node NotReady 1 Node recreation loop 1 OOMKilled 1 Pods Pending 1 Pod eviction 1

Cases

IL-0020 A descheduler evicted pods from cordoned nodes during an EKS upgrade — UK Ministry of Justice, 2025, sev1
Root cause Faulty deployment
IL-0016 Prometheus on the live cluster killed by memory exhaustion — UK Ministry of Justice, 2023, sev3
Root cause Capacity exhaustion
IL-0008 A validating webhook with a dead backend stalled a GKE master upgrade — Jetstack, 2019, sev1
Root cause Configuration change

View on the graph