Why and how to go multi primary over regular replication
Many replicate in a primary-secondary fashion, and you may be using asynchronous replication or semi-synchronous replication. However for extreme high availability without the need for an automated failover framework, the best way may be to go multi-primary (multi-master) replication where all this is built in. When is it right to migrate to such a replication scenario? What does your app need to know about this? Learn how to easily monitor Galera Cluster metrics using SQL Diagnostic Manager for MySQL.
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