RS 次要服务器继续从主要服务器接收逻辑日志，但不会应用它们。

The RS secondary server continues to receive logical logs from the primary but does not apply them.

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服务器接收到信息，然后检查存储日志来判断这条信息是否在之前已被处理。

The server receives the message and checks the persistence log to see if the message was previously processed.

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SDS 或 HDR 次要节点可以接管主要服务器，而 RS 次要服务器继续从新的主要服务器接收逻辑日志。

SDS or HDR secondary node can take over primary, and RS secondary server continues to receive logical logs from new primary server.

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