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https://dev.mysql.com/doc/refman/8.0/en/group-replication-enterprise-backup.html
MySQL Enterprise Backup is a commercially-licensed backup utility for MySQL Server, available with MySQL Enterprise Edition. This section explains how to back up and subsequently restore a Group Replication member using MySQL Enterprise Backup. The ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-flow-control.html
MySQL Group Replication ensures that a transaction commits only after a majority of the members in a group have received it and agreed on the relative order amongst all transactions sent concurrently. This approach works well if the total number of ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-group-write-consensus.html
This section explains how to inspect and configure the maximum number of consensus instances at any time for a group. This maximum is referred to as the event horizon for a group, and is the maximum number of consensus instances that the group can ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-member-actions.html
From MySQL 8.0.26, Group Replication has the capability to set actions for the members of a group to take in specified situations. The member actions configuration for a server can also be reset to the default after it has left the group.
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/group-replication-online-upgrade-combining-versions.html
Group Replication is versioned according to the MySQL Server version that the Group Replication plugin was bundled with. For example, if a member is running MySQL 5.7.26 then that is the version of the Group Replication plugin. For optimal ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-performance-message-fragmentation.html
When an abnormally large message is sent between Group Replication group members, it can result in some group members being reported as failed and expelled from the group. This is because the single thread used by Group Replication's group ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-primary-secondary-replication.html
Traditional MySQL Replication provides a simple source to replica approach to replication. The source is the primary, and there are one or more replicas, which are secondaries. The source applies transactions, commits them and then they are later ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-responses-failure-exit.html
The group_replication_exit_state_action system variable, which is available from MySQL 8.0.12 and MySQL 5.7.24, specifies what Group Replication does when the member leaves the group unintentionally due to an error or problem, and either fails to ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-server-states.html
The state of a Group Replication group member shows its current role in the group. The Performance Schema table replication_group_members shows the state for each member in a group. If the group is fully functional and all members are communicating ...