在本教程https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application/中,stateful 中提到的副本为 3,启动 3 个 pod。
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: mysql
spec:
selector:
matchLabels:
app: mysql
serviceName: mysql
replicas: 3
...
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2/2 在命令的输出中意味着什么kubectl get pods -l app=mysql --watch:
NAME READY STATUS RESTARTS AGE
mysql-0 2/2 Running 0 2m
mysql-1 2/2 Running 0 1m
mysql-2 2/2 Running 0 1m
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