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https://dev.mysql.com/doc/refman/9.7/en/group-replication-configuring-online-group.html
You can configure an online group while Group Replication is running by using a set of functions, which rely on a group action coordinator. This section describes how changes are made to a running group, and the available functions. Important For ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-distributed-recovery.html
Whenever a member joins or rejoins a replication group, it must catch up with the transactions that were applied by the group members before it joined, or while it was away. The joining member begins by checking the relay log for its ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-getting-started.html
MySQL Group Replication is provided as a plugin for the MySQL server; 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 ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-group-membership.html
In MySQL Group Replication, a set of servers forms a replication group. A group has a name, which takes the form of a UUID. The group is dynamic and servers can leave (either voluntarily or involuntarily) and join it at any time. If a server joins ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/group-replication-message-compression.html
For messages sent between online group members, Group Replication enables message compression by default. Whether a specific message is compressed depends on the threshold that you configure using the group_replication_compression_threshold system ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-multi-primary-mode.html
In multi-primary mode (group_replication_single_primary_mode=OFF) no member has a special role. Any member that is compatible with the other group members is set to read/write mode when joining the group, and can process write transactions, even if ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-observability.html
There is a lot of automation built into the Group Replication plugin. Nonetheless, you might sometimes need to understand what is happening behind the scenes. This is where the instrumentation of Group Replication and Performance Schema becomes ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-plugin-architecture.html
MySQL Group Replication is a MySQL plugin and it builds on the existing MySQL replication infrastructure, taking advantage of features such as the binary log, row-based logging, and global transaction identifiers. It integrates with current MySQL ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-replication-group-member-stats.html
Each member in a replication group certifies and applies transactions received by the group. Statistics regarding the certifier and applier procedures are useful to understand how the applier queue is growing, how many conflicts have been found, ...