March 3, 2014 By Severalnines
Hybrid replication, i.e. combining Galera and asynchronous MySQL replication in the same setup, became much easier with MySQL 5.6 and GTID. Although it was fairly straightforward to replicate from a standalone MySQL server to a Galera Cluster, doing it the other way round (Galera → standalone MySQL) was a bit more challenging. At least until MySQL 5.6 and GTID.
There are a few good reasons to attach an asynchronous slave to a Galera Cluster. For one, long-running reporting/OLAP type …[Read more...]