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https://dev.mysql.com/doc/refman/8.4/en/group-replication-enterprise-backup.html
This section explains how to back up and subsequently restore a Group Replication member using MySQL Enterprise Backup. The most recent backup of group member s2 can be used to restore s3. Here are the steps for performing the restore: Copy the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-network-partitioning.html
Warning This procedure uses group_replication_force_members and should be considered a last resort remedy. The group needs to achieve consensus whenever a change that needs to be replicated happens. This is the case for regular transactions but is ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-plugin-architecture.html
The recovery component manages distributed recovery, and is responsible for getting a server that is joining the group up to date by selecting the donor, managing the catch up procedure and reacting to donor failures. MySQL Group Replication is a ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-replication-group-member-stats.html
Statistics regarding the certifier and applier procedures are useful to understand how the applier queue is growing, how many conflicts have been found, how many transactions were checked, which transactions are committed everywhere, and so on.
https://dev.mysql.com/doc/refman/8.4/en/group-replication-responses-failure-expel.html
If the auto-rejoin procedure does not succeed or is not attempted, the expelled member then follows the exit action specified by group_replication_exit_state_action. You can use the group_replication_member_expel_timeout system variable to allow ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-responses-failure-partition.html
If the auto-rejoin procedure does not succeed or is not attempted, the minority member then follows the exit action specified by group_replication_exit_state_action. By default, members that find themselves in a minority due to a network partition ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-responses-failure.html
If an expelled member resumes communication and realises that it was expelled, it automatically makes three attempts to rejoin the group (with 5 minutes between each attempt); if this auto-rejoin procedure does not work, it then stops trying to ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-summary.html
The conflict resolution procedure states that the transaction that was ordered first commits on all servers, and the transaction ordered second aborts, and is therefore rolled back on the originating server and dropped by the other servers in the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-tuning-recovery.html
If the connection retry limit is reached without a successful connection, the distributed recovery procedure terminates with an error. Several aspects of Group Replication's distributed recovery process can be configured to suit your system. Number ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-use-cases.html
There is a distributed recovery procedure to ensure that when servers join the group they are brought up to date automatically. Group Replication enables you to create fault-tolerant systems with redundancy by replicating the system state to a set ...