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17.1.4.7 Resetting Multi-Source Replication Slaves

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The RESET SLAVE statement can be used to reset a multi-source replication slave. By default, if you use the RESET SLAVE statement on a multi-source replication slave all channels are reset. Optionally, use the FOR CHANNEL channel clause to reset only a specific channel.

  • To reset all currently configured replication channels: 

    1. RESET SLAVE;

  • To reset only a named channel, use a FOR CHANNEL channel clause: 

    1. RESET SLAVE FOR CHANNEL "master_1";

For GTID-based replication, note that RESET SLAVE has no effect on the slave's GTID execution history. If you want to clear this, issue RESET MASTER on the slave.

RESET SLAVE makes the slave forget its replication position, and clears the relay log, but it does not change any replication connection parameters (such as the master host) or replication filters. If you want to remove these for a channel, issue RESET SLAVE ALL.

For the full syntax of the RESET SLAVE command and other available options, see Section 13.4.2.4, “RESET SLAVE Statement”.


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Document created the 26/06/2006, last modified the 26/10/2018
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