设置k8s node最大pod数量
默认情况下k8s 一个node最多起110个pod.No more than 110 pods per nodeNo more than 5000 nodesNo more than 150000 total podsNo more than 300000 total containers如何修改一个node中起的pod数量呢？在Node上 设置打开文件/var/lib/kubelet/confi
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默认情况下k8s 一个node最多起110个pod.
- No more than 110 pods per node
- No more than 5000 nodes
- No more than 150000 total pods
- No more than 300000 total containers
如何修改一个node中起的pod数量呢？
在Node上 设置打开文件/var/lib/kubelet/config.yaml
修改参数maxPods为指定的值：
clusterDomain: cluster.local
cpuManagerReconcilePeriod: 0s
evictionPressureTransitionPeriod: 0s
fileCheckFrequency: 0s
healthzBindAddress: 127.0.0.1
healthzPort: 10248
httpCheckFrequency: 0s
imageMinimumGCAge: 0s
kind: KubeletConfiguration
logging: {}
nodeStatusReportFrequency: 0s
nodeStatusUpdateFrequency: 0s
resolvConf: /run/systemd/resolve/resolv.conf
rotateCertificates: true
runtimeRequestTimeout: 0s
shutdownGracePeriod: 0s
shutdownGracePeriodCriticalPods: 0s
staticPodPath: /etc/kubernetes/manifests
streamingConnectionIdleTimeout: 0s
syncFrequency: 0s
volumeStatsAggPeriod: 0s
maxPods: 200
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node端重启kubelet
sudo systemctl restart kubelet
查询状态：
$ kubectl describe node host07 | grep -i "Capacity\|Allocatable" -A 6 Capacity: cpu: 192 ephemeral-storage: 9298787068Ki hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 1056273036Ki pods: 200 Allocatable: cpu: 192 ephemeral-storage: 8569762147680 hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 1056170636Ki pods: 200 |
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