Insight for DBAs

Percona XtraDB Cluster Feature 2: Multi-Master replication

This is about the second great feature – Multi-Master replication, what you get with Percona XtraDB Cluster.
It is recommended you get familiar with general architecture of the cluster, described on the previous post.
By Multi-Master I mean the ability to write to any node in your cluster and do not worry that eventually you get […]

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How Does Semisynchronous MySQL Replication Work?

With the recent release of Percona XtraDB Cluster, I am increasingly being asked about MySQL’s semi-synchronous replication. I find that there are often a number of misconceptions about how semi-synchronous replication really works. I think it is very important to understand what guarantees you actually get with semi-synchronous replication, and what you don’t get.
The […]

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