Zero downtime 零停机 ; 不停工
Zero downtime to implement 零等待执行
Zero Downtime Backup 零停机备份
Zero-downtime Upgrade 零停机升级
Near-zero downtime or outage 近零停机时间或近零中断
zero system downtime 系统零当机
If you have a connection mechanism with connection Manager groups, you can achieve zero downtime without requiring any changes to applications.
如果您拥有一个Connection Manager组连接机制，则无需对应用程序进行任何更改即可实现零停机。
If achieving zero downtime is Paramount, then you can use this option as long as the Connection Manager infrastructure supports Connection Manager groups.
如果实现零停机至关重要，那么只要Connection Manager基础架构支持Connection manager组，您就可以使用这个选项。
Option 2: Clusters with Connection Manager and zero downtime during upgrade.
选项2：使用Connection Manager且升级过程中零停机的集群。
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