kruise-controller-manager 内存使用量咨询 #1086
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steven6718
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@steven6718 kruise-controller-manager 会为 cloneset、pod、node 等资源建立 informer 缓存,因此内存占用确实会随着这些资源数量的扩大而增长。 |
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你好,最近在k8s集群中使用openkruise,主要使用了cloneset、sidecarset和containerrecreaterequests三个crd的功能。集群规模大概200 nodes,7000pod,100+ cloneset,400+ cloneset工作负责对应的pod。
部署kruise-controller-manager的时候,最开始配置了2G内存,最近发现controller-manager出现了OOM,因此曾大了内存配置,随着cloneset的增加在不断上涨,目前已经使用了4G内存,通过pprof查看allocs和heap的值一直是相等的,且在不断增大,想咨询下是否正常。相关环境如下:
k8s版本:1.18
openkruise版本:v1.1.0
crd只安装了:cloneset、sidecarset、containerrecreaterequests、imagepulljobs和nodeimages
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