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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-and-plugins.html
A plugin implementor who instruments plugin code should document its instrumentation characteristics to enable those who load the plugin to account for its requirements. Removing a plugin with UNINSTALL PLUGIN does not affect information already ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-firewall-tables.html
The following sections describe the Performance Schema tables associated with MySQL Enterprise Firewall (see Section 8.4.7, “MySQL Enterprise Firewall”). They provide information about firewall operation: firewall_groups: Information about ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-session-connect-attrs-table.html
To see connection attributes only for the current session, and other sessions associated with the session account, use the session_account_connect_attrs table. Application programs can provide key-value connection attributes to be passed to the ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-statement-digests.html
However, if the special row accounts for a significant percentage of the statements executed, it might be desirable to increase the summary table size by increasing performance_schema_digests_size. The MySQL server is capable of maintaining ...
https://dev.mysql.com/doc/refman/8.4/en/permission-optimization.html
Similarly, if you place no resource limits on any accounts, the server does not have to perform resource counting. The more complex your privilege setup, the more overhead applies to all SQL statements. Simplifying the privileges established by ...
https://dev.mysql.com/doc/refman/8.4/en/replication-administration-skip.html
Make sure that you have identified the position accurately, because this statement does not take event groups into account. If replication stops due to an issue with an event in a replicated transaction, you can resume replication by skipping the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-mode-change-online-concepts.html
To change the replication mode online, it is necessary to set the gtid_mode and enforce_gtid_consistency variables using an account that has privileges sufficient to set global system variables; see Section 7.1.9.1, “System Variable Privileges”.
https://dev.mysql.com/doc/refman/8.4/en/replication-security.html
Privilege checks are implemented by setting up a PRIVILEGE_CHECKS_USER account, which MySQL uses to verify that you have authorized each specific transaction for that channel. To protect against unauthorized access to data that is stored on and ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/server-side-help-support.html
Change location into that directory and process the file with the mysql client as follows: mysql -u root -p mysql < fill_help_tables.sql The command shown here assumes that you connect to the server using an account such as root that has privileges ... MySQL Server supports a HELP statement that returns information from the MySQL Reference Manual (see Section 15.8.3, “HELP ...