MySQL InnoDB Cluster was introduced in MySQL version 5.7 and consists of three parts – Group Replication, MySQL Shell and MySQL Router. MySQL InnoDB Cluster provides a complete high availability solution for MySQL. In this post, I am going to explain how to setup a three-node cluster using the MySQL Shell.
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You say you want a Replication?
One of the best features of MySQL is the ability to use MySQL‘s built-in database replication feature to automatically replicate data from one server (source/master) to another (slave/replica). Group Replication was added in MySQL 5.7 as a way to provide a high-availability solution using a new variation of MySQL replication.
(In some earlier posts, I explained how to setup Group Replication using three MySQL database servers and how to …
[Read more]MySQL’s InnoDB Cluster was released on Apr 12, 2017, with version 5.7 and is also included in MySQL version 8.0.
MySQL InnoDB cluster provides a complete high availability solution for MySQL. MySQL Shell includes AdminAPI which enables you to easily configure and administer a group of at least three MySQL server instances to function as an InnoDB cluster. Each MySQL server instance runs MySQL Group Replication, which provides the mechanism to replicate data within InnoDB clusters, with built-in failover. AdminAPI removes the need to work directly with Group Replication in InnoDB clusters, but for more information see Chapter 18, Group Replication which explains the details. MySQL Router can automatically configure itself based on the cluster you …
[Read more]The second MySQL tutorial session at Oracle Open World was “MySQL Group Replication in a Nutshell” by MySQL Community Manager Frederic Descamps. This is succinctly described as:
“Multi-master update anywhere replication for MySQL with built-in conflict detection and resolution, automatic distributed recovery, and group membership.”
MySQL Group Replication (GR) is a virtually synchronous replication solution which is an integral component of MySQL InnoDB Cluster announced at the MySQL keynote. You can download a labs version of MySQL InnoDB cluster which includes three components.