由于日志客户端的同步特性，如果日志应用程序运行失败则业务应用程序同样也会失败。

Due to the synchronous nature of the logging client, the business application needs to fail in case the logging application fails.

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RECOVER会恢复最近的备份，然后执行一个日志应用进程，将表空间或数据库带到一个指定的数据点。

RECOVER will do the RESTORE of the most recent backup, followed by a log apply process to bring the table space or database to a specified point in time.

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使用onmode实用工具将delay_apply设为5分钟，从而将RS次要服务器上的逻辑日志应用延迟5分钟，如下所示。

Use the onmode utility as follows to set DELAY_APPLY to 5 minutes, delaying the applying of logical logs at RS secondary server by 5 minutes.

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