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怎么表示一个pod 是 Critical Pod
规则1:

Enable Feature Gate ExperimentalCriticaPodAnnotation
必须隶属于kube-system namespace;
必须加上Annotation scheduler.alpha.kubernetes.io/critical-pod=""
规则2:

Enable Feature Gate ExperimentalCriticaPodAnnotation, PodPriority
Pod的Priority不为空,且不小于2 * 10^9;

> system-node-critical priority = 10^9 + 1000;  
> system-cluster-critical priority = 10^9;
满足规则1或规则2之一,就认为该Pod为Critical Pod;

参考
https://yq.aliyun/articles/603541

本文标签: KubernetesCriticalPod