高可用性是在系统、组件或者应用程序发生故障时快速恢复基本服务的系统管理策略。
High availability is the system management strategy of quickly restoring essential services in the event of system, component, or application failure.
每个代理实例可以启动为一个MQ服务，从而在队列管理器故障转移到备份代理时自动启动该代理。
Each broker instance can be started as an MQ service, so that when the queue manager fails over to the standby, the broker is automatically started.
如果应用服务器发生故障，操作者可以通过管理控制台，选择一台服务器来执行恢复处理。
If an application server fails, the operator can use the administrative console to select a server to perform recovery processing on its behalf.
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