Incident Library?

Incident Library?

Component ?

kubelet kubelet · `kubelet`

2 cases · 2019 to 2020

Root cause ?Capacity exhaustion 1 Software defect 1

Contributing factor ?Unreviewed defaults 1 Unpatched known bug 1 Unknown limit 1 Monitoring blind spot 1 Single point of failure 1

Symptom ?High error rate 2 Control plane lag 1 CPU throttling 1 Credentials unavailable 1 High latency 1 Intermittent timeouts 1 Probe failures 1

Cases, by severity

IL-0012 CPU limits and a kernel scheduler bug stalled multi-threaded services — Omio, 2020, sev3
Root cause Software defect
IL-0002 Builder pods lost IAM credentials when kubelet fell behind the API rate limit — Zalando, 2019
Root cause Capacity exhaustion

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