Incident Library
?
API · MCP
한국어
Incident Library
?
API · MCP
한국어
Root cause
?
Not stated
미상 ·
unknown
3 cases · 2018 to 2023
Component
?
Calico
1
Container runtime
1
etcd
1
Kubernetes API server
1
kubelet
1
Multus meta-CNI
1
Prometheus
1
Contributing factor
?
Harmful manual action
2
Unverified assumption
1
Unreviewed defaults
1
Ignored early signal
1
Monitoring blind spot
1
Single point of failure
1
Symptom
?
Probe failures
2
Service outage
2
Control plane unresponsive
1
Monitoring outage
1
Sustained high node CPU
1
Cases
IL-0045
Prometheus on the live cluster restarted several times after readiness probe failures, leaving gaps in metrics
UK Ministry of Justice · 2023
IL-0087
After a cold reboot of RKE2 nodes, pods could not get IP addresses because Multus could not reach the Kubernetes API, and further reboots spread the failure to every node
Fyra Labs · 2023
IL-0059
Single-master Kubernetes control plane kept dying because the kubelet restarted a healthy etcd on a failing kubeadm liveness probe
NRE Labs · 2018
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