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https://dev.mysql.com/doc/refman/8.0/en/stop-group-replication.html
Prior to MySQL 8.0.27, the default component timeout is 31536000 seconds, or 365 days. With this setting, the component timeout does not help in situations such as those just described, so a lower setting is recommended in those versions of MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-member-actions.html
From MySQL 8.0.26, Group Replication has the capability to set actions for the members of a group to take in specified situations. Group Replication increments the version number for its member actions configuration each time a member action is ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-summary.html
MySQL Group Replication builds on top of such properties and abstractions and implements a multi-source update everywhere replication protocol. A replication group is formed by multiple servers; each server in the group may execute transactions ...
https://dev.mysql.com/doc/refman/8.0/en/help.html
HELP 'search_string' The HELP statement returns online information from the MySQL Reference Manual. Its proper operation requires that the help tables in the mysql database be initialized with help topic information (see Section 7.1.17, ...The HELP ...
https://dev.mysql.com/doc/refman/8.0/en/install-plugin.html
It requires the INSERT privilege for the mysql.plugin system table because it adds a row to that table to register the plugin. For example, set its value in a my.cnf file: [mysqld] plugin_dir=/path/to/plugin/directory If the value of plugin_dir is a ... INSTALL PLUGIN plugin_name SONAME 'shared_library_name' This statement installs a server ...
https://dev.mysql.com/doc/refman/8.0/en/loading-tables.html
If the statement fails, it is likely that your MySQL installation does not have local file capability enabled by default. When you want to add new records one at a time, the INSERT statement is useful. Suppose that Diane gets a new hamster named ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-logging.html
From MySQL 8.0.30, the redo log file size is determined by the innodb_redo_log_capacity setting. Before MySQL 8.0.30, the size and number of redo log files are configured using the innodb_log_file_size and innodb_log_files_in_group variables. Log ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-memory.html
To replicate this effect to replicas, the first time that the source uses a given MEMORY table after startup, it logs an event that notifies replicas that the table must be emptied by writing a DELETE or (from MySQL 8.0.22) TRUNCATE TABLE statement ...The replica also writes a DELETE or (from MySQL 8.0.22) TRUNCATE TABLE statement to its own binary log, which is passed on to any downstream replicas, causing them to empty their own MEMORY ...
https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-concepts.html
The modes of replication available in MySQL rely on different techniques for identifying logged transactions. An anonymous transaction has no GTID; MySQL 8.0 ensures that every anonymous transaction in a log is preceded by an ... Before setting the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-channel-based-filters.html
Before MySQL 8.0, all replication filters were global, so filters were applied to all replication channels. From MySQL 8.0, replication filters can be global or channel specific, enabling you to configure multi-source replicas with replication ...