Kubernetes 中 StatefulSet 与 DaemonSet 的使用指南
1. StatefulSet 操作与管理
在 Kubernetes 中,StatefulSet 对于部署有状态应用至关重要。我们可以通过 kubectl rollout status 命令来观察 StatefulSet 滚动更新的下一阶段,例如:
$ kubectl rollout status statefulset -n mysql
Waiting for partitioned roll out to finish: 1 out of 3 new pods have been
updated...
Waiting for 1 pods to be ready...
Waiting for 1 pods to be ready...
Waiting for partitioned roll out to finish: 2 out of 3 new pods have been
updated...
Waiting for 1 pods to be ready...
Waiting for 1 pods to be ready...
Waiting for 1 pods to be ready...
Waiting for 1 pods to be ready...
partitioned roll out complete: 3 new pods have been updated...
从输出可以看出,向 mysql:8.4.0 镜像版本的分阶段滚动
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