Documentation Home
MySQL 8.0 Reference Manual
Related Documentation Download this Manual
PDF (US Ltr) - 44.5Mb
PDF (A4) - 44.6Mb
PDF (RPM) - 40.3Mb
HTML Download (TGZ) - 10.5Mb
HTML Download (Zip) - 10.5Mb
HTML Download (RPM) - 9.1Mb
Man Pages (TGZ) - 204.6Kb
Man Pages (Zip) - 311.6Kb
Info (Gzip) - 3.9Mb
Info (Zip) - 3.9Mb
Excerpts from this Manual

MySQL 8.0 Reference Manual  /  ...  /  Deploying Instances for Group Replication

18.2.1.1 Deploying Instances for Group Replication

The first step is to deploy three instances of MySQL Server. Group Replication is a built-in MySQL plugin provided with MySQL Server 5.7.17 and later. For more background information on MySQL plugins, see Section 5.6, “MySQL Server Plugins”. This procedure assumes that MySQL Server was downloaded and unpacked into the directory named mysql-8.0. The following procedure uses one physical machine, therefore each MySQL server instance requires a specific data directory for the instance. Create the data directories in a directory named data and initialize each one.

mkdir data
mysql-8.0/bin/mysqld --initialize-insecure --basedir=$PWD/mysql-8.0 --datadir=$PWD/data/s1
mysql-8.0/bin/mysqld --initialize-insecure --basedir=$PWD/mysql-8.0 --datadir=$PWD/data/s2
mysql-8.0/bin/mysqld --initialize-insecure --basedir=$PWD/mysql-8.0 --datadir=$PWD/data/s3

Inside data/s1, data/s2, data/s3 is an initialized data directory, containing the mysql system database and related tables and much more. To learn more about the initialization procedure, see Section 2.10.1.1, “Initializing the Data Directory Manually Using mysqld”.

Warning

Do not use --initialize-insecure in production environments, it is only used here to simplify the tutorial. For more information on security settings, see Section 18.5, “Group Replication Security”.


User Comments
User comments in this section are, as the name implies, provided by MySQL users. The MySQL documentation team is not responsible for, nor do they endorse, any of the information provided here.
Sign Up Login You must be logged in to post a comment.