mariadb-plugin

mariadb-plugin is a tool for enabling or disabling plugins.

The client was previously called mysql_plugin, and can still be accessed under this name, via a symlink in Linux, or an alternate binary in Windows.

It is a command line alternative to the INSTALL PLUGIN and UNINSTALL PLUGIN statements, and the --plugin-load option to mariadbd.

mariadb-plugin must be run while the server is offline, and works by adding or removing rows from the mysql.plugin table.

mariadb-plugin basically has two use cases:

1. To add a plugin even before the first real server startup.

2. To remove a plugin that crashes the server on startup.

For the installation use case, adding a entry to my.cnf or in a separate include option file is a better alternative. In case of a plugin loaded via a mysql.plugin crashing the server, uninstalling the plugin with the help of mariadb-plugin can be the only viable action, though.

Usage

mariadb-plugin expects to find a configuration file that indicates how to configure the plugins. The configuration file has, by default, the same name as the plugin, with an .ini extension:

Here, mariadb-plugin looks for a file called crazyplugins.ini :

The first line should contain the name of the library object file, with no extension. The other lines list the names of the components. Each value should be on a separate line. The # character at the start of a line indicates a comment.

Options

The following options can be specified on the command line, while some can be specified in the [mysqld] group of any option file. For options specified in a [mysqld] group, only the --basedir, --datadir, and --plugin-dir options can be used — the rest are ignored.

See Also

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