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https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-concepts.html
This section explains these concepts and is essential reading before attempting to modify the replication mode of an online server. Before setting the replication mode of an online server, it is important to understand some key concepts of ...
https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-verify-transactions.html
This section explains how to monitor a replication topology and verify that all anonymous transactions have been replicated. This is helpful when changing the replication mode online as you can verify that it is safe to change to GTID transactions.
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-monitoring.html
19.1.5.8.1 Monitoring Channels Using Performance Schema Tables This section explains how to use the replication Performance Schema tables to monitor channels. To monitor the status of replication channels the following options exist: Using the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-provision-replica.html
For example: mysql -u<user> -p<password> < dumpM1_nopurge.sql mysql -u<user> -p<password> < dumpM2_nopurge.sql On the replica, issue RESET MASTER to clear the GTID execution history (assuming, as explained above, that all the dump files have been ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-account.html
As explained in Section 19.3.3, “Replication Privilege Checks”, the account requires further privileges that are sufficient to apply all the expected transactions expected on the replication channel. The user account that is specified using the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks.html
Section 19.3.3.1, “Privileges For The Replication PRIVILEGE_CHECKS_USER Account” explains what additional privileges the account needs. By default, MySQL replication (including Group Replication) does not carry out privilege checks when ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-channel-based-filters.html
This section explains how to work with replication filters when multiple replication channels exist, for example in a multi-source replication topology. Before MySQL 8.0, all replication filters were global, so filters were applied to all ...
https://dev.mysql.com/doc/refman/8.0/en/replication-upgrade.html
As explained in Section 19.5.2, “Replication Compatibility Between MySQL Versions”, MySQL supports replication from a source running one release series to a replica running the next higher release series, but does not support replication from a ... 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 ...
https://dev.mysql.com/doc/refman/8.0/en/server-status-variables.html
The MySQL server maintains many status variables that provide information about its operation. You can view these variables and their values by using the SHOW [GLOBAL | SESSION] STATUS statement (see Section 15.7.7.37, “SHOW STATUS Statement”).
https://dev.mysql.com/doc/refman/8.0/en/stored-program-restrictions.html
This includes SELECT statements that do not have an INTO var_list clause and other statements such as SHOW, EXPLAIN, and CHECK TABLE. Some of the restrictions noted here apply to all stored routines; that is, both to stored procedures and stored ...