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Simple question - I have a server running MySQL and need to set up group replication. Can't afford downtime. How can one set up a mysql group replication on a running mysql server? (the other servers have all software installed, just the DB isn't there).

There is a way to set up mysql master-slave replication and that has been described here (How to setup MySQL replication with minimal downtime) but hard as I try I can't find any manual for a group replication.

Peter
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  • What is group replication? Use the documentation that you found, run it first on a test environment, you will need a full dB dump with binlog position and binlog enabled. (If you don't have binlog enabled, that will require a restart) – NiKiZe Oct 26 '21 at 04:57

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