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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-backups-read-only.html
Note The instructions in this section place the server to be backed up in a state that is safe for backup methods that get the data from the server, such as mysqldump (see Section 6.5.4, “mysqldump — A Database Backup Program”). You should not ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-scaleout.html
You can use replication as a scale-out solution; that is, where you want to split up the load of database queries across multiple database servers, within some reasonable limitations. Because replication works from the distribution of one source to ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-switch.html
You can tell a replica to change to a new source using the CHANGE REPLICATION SOURCE TO statement (prior to MySQL 8.0.23: CHANGE MASTER TO. The replica does not check whether the databases on the source are compatible with those on the replica; it ...
https://dev.mysql.com/doc/refman/8.0/en/replication-threads.html
MySQL replication capabilities are implemented using the following types of threads: Binary log dump thread. The source creates a thread to send the binary log contents to a replica when the replica connects. This thread can be identified in the ...
https://dev.mysql.com/doc/refman/8.0/en/security-plugins.html
MySQL includes several components and plugins that implement security features: Plugins for authenticating attempts by clients to connect to MySQL Server. For general discussion of the authentication process, see Section 8.2.17, “Pluggable ...
https://dev.mysql.com/doc/refman/8.0/en/server-option-variable-reference.html
The following table lists all command-line options, system variables, and status variables applicable within mysqld. The table lists command-line options (Cmd-line), options valid in configuration files (Option file), server system variables ...
https://dev.mysql.com/doc/refman/8.0/en/server-side-help-support.html
MySQL Server supports a HELP statement that returns information from the MySQL Reference Manual (see Section 15.8.3, “HELP Statement”). This information is stored in several tables in the mysql schema (see Section 7.3, “The mysql System ...
https://dev.mysql.com/doc/refman/8.0/en/set-password.html
SET PASSWORD [FOR user] auth_option [REPLACE 'current_auth_string'] [RETAIN CURRENT PASSWORD] auth_option: { = 'auth_string' | TO RANDOM } The SET PASSWORD statement assigns a password to a MySQL user account. The password may be either explicitly ...
https://dev.mysql.com/doc/refman/8.0/en/stop-replica.html
] thread_type: IO_THREAD | SQL_THREAD channel_option: FOR CHANNEL channel Stops the replication threads. From MySQL 8.0.22, use STOP REPLICA in place of STOP SLAVE, which is now deprecated. STOP REPLICA requires the REPLICATION_SLAVE_ADMIN privilege ...