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.