MySQLTuner is a script written in Perl that allows you to review a MySQL installation quickly and make adjustments to increase performance and stability. The current configuration variables and status data is retrieved and presented in a brief format along with some basic performance suggestions.

MySQLTuner supports in this last version ~250 indicators for MySQL/MariaDB/Percona Server.

MySQLTuner is maintained and indicator collect is increasing week after week supporting a lot of configurtion sush as: