Incident Library?

API · MCP 한국어

Incident Library?

API · MCP 한국어

Contributing factor ?

Configuration not in code

코드로 관리되지 않는 설정 · config-not-in-code

1 case · 2023

Root cause ?Breaking change in an upgrade

Component ?Admission webhook Calico etcd Kubernetes API server

Symptom ?Control plane lag DNS resolution failures High error rate Monitoring outage Pods stuck in ContainerCreating Service outage

Cases

IL-0060 Kubernetes 1.24 upgrade removed the master node label that Calico route reflectors selected on, dropping all pod routes and taking Reddit down for 314 minutesReddit · 2023
Root cause Breaking change in an upgrade

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