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## 健康检查配置不合理
`initialDelaySeconds` 太短，容器启动慢，导致容器还没完全启动就开始探测，如果 successThreshold 是默认值 1，检查失败一次就会被 kill，然后 pod 一直这样被 kill 重启。
`initialDelaySeconds` 或 [StartProbe](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#define-startup-probes) 配置的时间太短，容器启动慢，导致容器还没完全启动就开始探测。如果 failureThreshold 是默认值 1，检查失败一次就会被 kill，然后 pod 一直这样被 kill 重启。参考 [健康检查配置](../../best-practices/configure-healthcheck.md)。
## 节点负载过高