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https://dev.mysql.com/doc/refman/8.0/en/replication-howto-masterstatus.html
To configure the replica to start the replication process at the correct point, you need to note the source's current coordinates within its binary log. Warning This procedure uses FLUSH TABLES WITH READ LOCK, which blocks COMMIT operations for ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
If a privilege check against the PRIVILEGE_CHECKS_USER account fails, the transaction is not executed and replication stops for the channel. Details of the error and the last applied transaction are recorded in the Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks.html
By default, MySQL replication (including Group Replication) does not carry out privilege checks when transactions that were already accepted by another server are applied on a replica or group member. MySQL then checks each transaction against the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-semisync-interface.html
When you install the source and replica plugins for semisynchronous replication (see Section 19.4.10.1, “Installing Semisynchronous Replication”), system variables become available to control plugin behavior. To check the current values of the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-semisync.html
In addition to the built-in asynchronous replication, MySQL 8.0 supports an interface to semisynchronous replication that is implemented by plugins. This section discusses what semisynchronous replication is and how it works. The following sections ...
https://dev.mysql.com/doc/refman/8.0/en/replication-snapshot-method.html
If the source database contains existing data it is necessary to copy this data to each replica. There are different ways to dump the data from the source database. To select the appropriate method of dumping the database, choose between these ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-backups-rawdata.html
To guarantee the integrity of the files that are copied, backing up the raw data files on your MySQL replica should take place while your replica server is shut down. If the MySQL server is still running, background tasks may still be updating the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-unexpected-replica-halt.html
In order for replication to be resilient to unexpected halts of the server (sometimes described as crash-safe) it must be possible for the replica to recover its state before halting. This section describes the impact of an unexpected halt of a ...
https://dev.mysql.com/doc/refman/8.0/en/replication-upgrade.html
When you upgrade servers that participate in a replication topology, you need to take into account each server's role in the topology and look out for issues specific to replication. For general information and instructions for upgrading a MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/return.html
RETURN expr The RETURN statement terminates execution of a stored function and returns the value expr to the function caller. There must be at least one RETURN statement in a stored function. There may be more than one if the function has multiple ...