Incident Library?

API · MCP 한국어

Incident Library?

API · MCP 한국어

Component ?

kube-dns

kube-dns · kube-dns

2 cases · 2019 to 2025

Root cause ?Capacity exhaustion 2

Contributing factor ?Unreviewed defaults 1 No caching 1 Single point of failure 1

Symptom ?DNS resolution failures 2 Intermittent timeouts 2 High latency 1 Service outage 1 Load imbalance 1

Cases, by severity

IL-0080 kube-dns on Mercari's GKE clusters could not keep up with peak-hour DNS query rates, and a Sev1 production outage followed when several services failed DNS resolutionMercari · 2025 · sev1
Root cause Capacity exhaustion
IL-0033 Uneven load across kube-dns pods and a DNS packets-per-second limit pushed service latency to 20 secondsAirbnb · 2019
Root cause Capacity exhaustion

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