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MySQL 5.7 Reference Manual
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MySQL 5.7 Reference Manual  /  Group Replication  /  Getting Started

17.2 Getting Started

MySQL Group Replication is provided as a plugin to MySQL server, and each server in a group requires configuration and installation of the plugin. This section provides a detailed tutorial with the steps required to create a replication group with at least three members.

Tip

An alternative way to deploy multiple instances of MySQL is by using InnoDB cluster, which uses Group Replication and wraps it in a programmatic environment that enables you to easily work with groups of MySQL server instances in the MySQL Shell 8.0 (part of MySQL 8.0). In addition, InnoDB cluster interfaces seamlessly with MySQL Router and simplifies deploying MySQL with high availability. See Chapter 20, InnoDB Cluster.