kubernetes基础知识:限制POD和容器运行的CPU、内存
限制运行内存
https://kubernetes.io/docs/tasks/configure-pod-container/assign-memory-resource/
先看一个pod的yaml文件(官方提供)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | apiVersion: v1 kind: Pod metadata: name: memory-demo namespace: mem-example spec: containers: - name: memory-demo-ctr image: polinux /stress resources: limits: memory: "200Mi" requests: memory: "100Mi" command : [ "stress" ] args: [ "--vm" , "1" , "--vm-bytes" , "150M" , "--vm-hang" , "1" ] |
限制CPU
https://kubernetes.io/docs/tasks/configure-pod-container/assign-cpu-resource/
先来看个官方例子
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | apiVersion: v1 kind: Pod metadata: name: cpu-demo namespace: cpu-example spec: containers: - name: cpu-demo-ctr image: vish /stress resources: limits: cpu: "1" requests: cpu: "0.5" args: - -cpus - "2" |
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