如果您远程复制数据进行灾难恢复，最后一点最重要。

The last point may be the most significant if you are replicating your database over a long distance for disaster recovery.

youdao

这种方法可以为远程复制节省大量管理、CPU、I/O 和连接带宽。

This approach can generate a huge savings in management, CPU, I/O, and link bandwidth for remote replication.

youdao

除了本地复制之外，rsync还可以使用ssh执行远程复制。

In addition to the local copies, rsync also performs remote copies using SSH.

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