k8s 调度

spec:
  affinity:
    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
          - matchExpressions:
              - key: bigdata-node
                operator: In
                values:
                  - bigdata

      tolerations:
        - effect: PreferNoSchedule
          key: bigdata-node
          operator: Equal
          value: bigdata