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https://dev.mysql.com/doc/refman/9.7/en/replication-semisync.html
In addition to the built-in asynchronous replication, MySQL 9.7 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/9.7/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/9.7/en/replication.html
Replication enables data from one MySQL database server (known as a source) to be copied to one or more MySQL database servers (known as replicas). Replication is asynchronous by default; replicas do not need to be connected permanently to receive ...
https://dev.mysql.com/doc/refman/9.7/en/rewriter-query-rewrite-plugin-installation.html
Note If installed, the Rewriter plugin involves some overhead even when disabled. To avoid this overhead, do not install the plugin unless you plan to use it. To install or uninstall the Rewriter query rewrite plugin, choose the appropriate script ...
https://dev.mysql.com/doc/refman/9.7/en/rewriter-query-rewrite-plugin-usage.html
To enable or disable the plugin, enable or disable the rewriter_enabled system variable. By default, the Rewriter plugin is enabled when you install it (see Section 7.6.4.1, “Installing or Uninstalling the Rewriter Query Rewrite Plugin”). To ...
https://dev.mysql.com/doc/refman/9.7/en/role-names.html
MySQL role names refer to roles, which are named collections of privileges. Role names have syntax and semantics similar to account names; see Section 8.2.4, “Specifying Account Names”. As stored in the grant tables, they have the same ...
https://dev.mysql.com/doc/refman/9.7/en/secure-client-programming.html
Client applications that access MySQL should use the following guidelines to avoid interpreting external data incorrectly or exposing sensitive information. Handle External Data Properly Handle MySQL Error Messages Properly Handle External Data ...
https://dev.mysql.com/doc/refman/9.7/en/server-configuration.html
The MySQL server, mysqld, has many command options and system variables that can be set at startup to configure its operation. To determine the default command option and system variable values used by the server, execute this command: $> mysqld ...
https://dev.mysql.com/doc/refman/9.7/en/server-loadable-functions.html
MySQL supports loadable functions, that is, functions that are not built in but can be loaded at runtime (either during startup or later) to extend server capabilities, or unloaded to remove capabilities. For a table describing the available ...
https://dev.mysql.com/doc/refman/9.7/en/server-logs.html
MySQL Server has several logs that can help you find out what activity is taking place. The following log-specific sections provide information about the server options that enable logging. By default, the server writes files for all enabled logs ...