Yang Wang你好:
我想表达的意思是:
  Native Flink on K8s采用单Pod的申请资源的方式,和K8s自动伸缩机制有些冲突。

原因:
比如job比较多时,各node负载都比较高;而剩余job比较少时,每个node只有少量pod,但因为【Pods that are not backed
by a controller object】,没法驱逐资源利用率最低的node,导致整体利用率较低。

What types of pods can prevent CA from removing a node?
https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/FAQ.md#what-types-of-pods-can-prevent-ca-from-removing-a-node



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