调度亲和性

节点亲和性

pod.spec.nodeAffiffiffinity：

• preferredDuringSchedulingIgnoredDuringExecution：软策略
• requiredDuringSchedulingIgnoredDuringExecution：硬策略

requiredDuringSchedulingIgnoredDuringExecution：

apiVersion: v1 
kind: Pod 
metadata: 
 name: affinity 
 labels:
   app: node-affinity-pod 
spec: 
 containers: 
 - name: with-node-affinity 
   image: hub.atguigu.com/library/myapp:v1 
 affinity: 
  nodeAffinity: 
   requiredDuringSchedulingIgnoredDuringExecution: 
     nodeSelectorTerms:
     - matchExpressions: 
       - key: kubernetes.io/hostname 
          operator: NotIn 
          values: 
          - k8s-node02