kubernetes-guide/docs/chap10/10.2.md

示例1：配置默认的requests和limits

apiVersion: v1
kind: LimitRange
metadata:
  name: cpu-mem-limit-range
spec:
  limits:
  - default:
      cpu: 1
      memory: 512Mi
    defaultRequest:
      cpu: 0.5
      memory: 256Mi
    type: Container
---
apiVersion: v1
kind: Pod
metadata:
  name: default-cpu-demo
spec:
  containers:
  - name: default-cpu-demo-ctr
    image: nginx

示例2：配置requests和limits的范围

apiVersion: v1
kind: LimitRange
metadata:
  name: cpu-min-max-demo-lr
spec:
  limits:
  - max:
      cpu: "800m"
      memory: 1Gi
    min:
      cpu: "200m"
      memory: 500Mi
    type: Container
---
apiVersion: v1
kind: Pod
metadata:
  name: constraints-mem-demo-2
spec:
  containers:
  - name: constraints-mem-demo-2-ctr
    image: nginx
    resources:
      limits:
        memory: "1.5Gi"
      requests:
        memory: "800Mi"

apiVersion: v1
kind: Pod
metadata:
  name: constraints-mem-demo-3
spec:
  containers:
  - name: constraints-mem-demo-3-ctr
    image: nginx
    resources:
      limits:
        memory: "800Mi"
      requests:
        memory: "100Mi"

示例3：限制申请存储空间的大小

apiVersion: v1
kind: LimitRange
metadata:
  name: storagelimits
spec:
  limits:
  - type: PersistentVolumeClaim
    max:
      storage: 2Gi
    min:
      storage: 1Gi