Incident Library?

Incident Library?

Symptom ?

Intermittent connection failures 간헐적 연결 실패 · `intermittent-connection-failures`

2 cases · 2019 to 2020

Root cause ?Capacity exhaustion 1 Software defect 1

Component ?HAProxy 2 Configuration templating 1 conntrack table 1 Ingress controller 1 kube-proxy 1 Node pool 1

Contributing factor ?Unverified assumption 1 Ignored early signal 1 Unknown limit 1 No capacity planning 1 Unrepresentative staging 1

Cases

IL-0013 Connection resets from a full conntrack table on GKE nodes — loveholidays, 2020
Root cause Capacity exhaustion
IL-0011 Sorted HAProxy backends sent every request to the same first pod — Skyscanner, 2019, sev2
Root cause Software defect

View on the graph