Incident Library?

Incident Library?

Symptom ?

Control plane unresponsive 컨트롤 플레인 무응답 · `control-plane-unresponsive`

2 cases · 2019 to 2024

Root cause ?Configuration change 2

Component ?Kubernetes API server 2 Admission webhook 1 Client-side DNS resolver and cache 1 GKE control plane 1 Telemetry agent 1

Contributing factor ?Excessive blast radius 1 Cache-masked failure 1 No alert on limit 1 No health probes 1 No staged rollout 1 Unrepresentative staging 1

Cases

IL-0005 Telemetry rollout overloaded the control planes and broke service discovery — OpenAI, 2024, sev1
Root cause Configuration change
IL-0008 A validating webhook with a dead backend stalled a GKE master upgrade — Jetstack, 2019, sev1
Root cause Configuration change

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