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https://dev.mysql.com/doc/refman/8.4/en/replication-multi-source-configuration.html
A multi-source replication topology requires at least two sources and one replica configured. In these tutorials, we assume that you have two sources source1 and source2, and a replica replicahost. The replica replicates one database from each of ...
https://dev.mysql.com/doc/refman/8.4/en/replication-multi-source-reset-replica.html
The RESET REPLICA statement can be used to reset a multi-source replica. By default, if you use the RESET REPLICA statement on a multi-source replica all channels are reset. Optionally, use the FOR CHANNEL channel clause to reset only a specific ...
https://dev.mysql.com/doc/refman/8.4/en/replication-privilege-checks-gr.html
You can also use a PRIVILEGE_CHECKS_USER account to secure the two replication applier threads used by Group Replication. The group_replication_applier thread on each group member is used for applying group transactions, and the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-semisync-installation.html
Semisynchronous replication is implemented using plugins, which must be installed on the source and on the replicas to make semisynchronous replication available on the instances. There are different plugins for a source and for a replica. After a ...
https://dev.mysql.com/doc/refman/8.4/en/replication-solutions-backups-mysqldump.html
Using mysqldump to create a copy of a database enables you to capture all of the data in the database in a format that enables the information to be imported into another instance of MySQL Server (see Section 6.5.4, “mysqldump — A Database ...
https://dev.mysql.com/doc/refman/8.4/en/replication-solutions-backups.html
To use replication as a backup solution, replicate data from the source to a replica, and then back up the replica. The replica can be paused and shut down without affecting the running operation of the source, so you can produce an effective ...
https://dev.mysql.com/doc/refman/8.4/en/replication-solutions-rbr-monitoring.html
The current progress of the replication applier (SQL) thread when using row-based replication is monitored through Performance Schema instrument stages, enabling you to track the processing of operations and check the amount of work completed and ...
https://dev.mysql.com/doc/refman/8.4/en/replication-solutions.html
Replication can be used in many different environments for a range of purposes. This section provides general notes and advice on using replication for specific solution types. For information on using replication in a backup environment, including ...
https://dev.mysql.com/doc/refman/8.4/en/replication-threads-monitor-main.html
The SHOW PROCESSLIST statement provides information that tells you what is happening on the source and on the replica regarding replication. For information on source states, see Section 10.14.4, “Replication Source Thread States”. For replica ...
https://dev.mysql.com/doc/refman/8.4/en/revoke.html
[IGNORE UNKNOWN USER] REVOKE [IF EXISTS] ALL [PRIVILEGES], GRANT OPTION FROM user_or_role [, user_or_role] ... [IGNORE UNKNOWN USER] REVOKE [IF EXISTS] PROXY ON user_or_role FROM user_or_role [, user_or_role] ... [IGNORE UNKNOWN USER] REVOKE [IF ...