A fail-over connection is set up for automatic switchover of updating apps from primary to standby.
设置了一个故障转移连接，用于将更新的应用程序自动从主站点切换到备用站点。
Automatic replication with automatic fail-over upon node crash.
自动复制，并且在节点崩溃的时候能够自动恢复。
In addition, high availability is becoming ever more crucial in scalable transactional database systems, and is typically accomplished via replication and automatic fail-over in the case of a crash.
此外，高可用性正变得越来越可扩展事务数据库系统的关键，通常是通过复制和实现自动故障转移在一个崩溃的情况下。
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