In this blog post, we’ll look at how to navigate some of the complexities of multi-source GTID replication.
GTID replication is often a real challenge for DBAs, especially if this has to do with multi-source GTID replication. A while back, I came across a really interesting customer environment with shards where multi-master, multi-source, multi-threaded MySQL 5.6 MIXED replication was active. This is a highly complex environment that has both pros and cons, introducing risks as a trade-off for specific customer requirements.
This is the set up of part of this environment:
I started looking into this setup when a statement broke
Replication broke due to a statement executed on a schema that
was not present on
db10. This also …