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High Availability Using MySQL Group Replication

A discussion on the technical details of the MySQL Group Replication plugin, and how this fits into the overall picture of the MySQL HA.

· Database Zone

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Percona Live 2016 had a great first day, with an impressive number of speakers and topics. I was able to attend a session in the afternoon with Luis Soares, Principal Software Engineer at Oracle, on High Availability Using MySQL Group Replication. MySQL Group Replication is a MySQL plugin under development that brings together group communication techniques and database replication, providing both high availability (HA) and a multi-master update everywhere replication solution.

At MySQL Group Replication’s core is a set of group communication primitives that act as the building blocks to creating reliable, consistent and dependable messaging between the servers in the group. This allows the set of MySQL servers to coordinate themselves and act as a consistently replicated state machine. As a consequence, the group itself is fault-tolerant, and so is the service it provides (i.e., the MySQL database service). The plugin also provides multi-master update anywhere characteristics with automatic conflict detection and handling.

In this discussion, we learned about the technical details of the MySQL Group Replication plugin, and discussed how this fits into the overall picture of the MySQL HA. For instance, how it can be deployed together with MySQL Router to automate load balancing and failover procedures. We also discovered the newest enhancements and how to leverage them when deploying and experimenting with this plugin.

Listen to a brief chat I had with Luis on MySQL Group Replication:


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Topics:
database ,mysql ,replication ,ha ,percona live

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