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https://dev.mysql.com/doc/refman/5.7/en/group-replication-bootstrap.html
The process of starting a group for the first time is called bootstrapping. The bootstrap should only be done by a single server, the one that starts the group and only once. This is why the value of the group_replication_bootstrap_group option was ...The same reasoning applies to stopping and restarting the plugin with this option set to ...
https://dev.mysql.com/doc/refman/5.7/en/alter-logfile-group.html
ALTER LOGFILE GROUP logfile_group ADD UNDOFILE 'file_name' [INITIAL_SIZE [=] size] [WAIT] ENGINE [=] engine_name This statement adds an UNDO file named 'file_name' to an existing log file group logfile_group. An ALTER LOGFILE GROUP statement has ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-deploying-instances.html
The Group Replication plugin is provided with MySQL Server 5.7.17 and later; no additional software is required, although the plugin must be installed in the running MySQL server. See Section 17.2.1.1, “Deploying Instances for Group ... The first ...
https://dev.mysql.com/doc/refman/5.7/en/drop-logfile-group.html
DROP LOGFILE GROUP logfile_group ENGINE [=] engine_name This statement drops the log file group named logfile_group. The log file group must already exist or an error results. (For information on creating log file groups, see Section 13.1.15, ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-deploying-in-single-primary-mode.html
Each of the MySQL server instances in a group can run on an independent physical host machine, which is the recommended way to deploy Group Replication. This section explains how to create a replication group with three MySQL Server instances, each ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-server-states.html
However, if there is a network partition, or a server leaves the group, then different information could be reported, depending on which server is queried. If the server has left the group then it cannot report updated information about the other ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-launching.html
It is first necessary to ensure that the Group Replication plugin is installed on server s1. If you used plugin_load_add='group_replication.so' in the option file then the Group Replication plugin is already installed, and you can proceed to the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-operations.html
This section describes the different modes of deploying Group Replication, explains common operations for managing groups and provides information about how to tune your groups.
https://dev.mysql.com/doc/refman/5.7/en/group-replication-status-variables.html
MySQL 5.7 supports one status variable providing information about Group Replication. This variable is described here: group_replication_primary_member Shows the primary member's UUID when the group is operating in single-primary mode. If the group ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-options.html
The next two sections contain information about MySQL server system and server status variables which are specific to the Group Replication plugin.