MySQLTuner is a Perl-based script designed for database administrators seeking to enhance the performance and configuration of MySQL and MariaDB databases. This lightweight tool analyzes critical metrics related to system performance, security, and resource usage, offering actionable recommendations to improve database efficiency. It evaluates the current workload, cache effectiveness, query performance, and memory utilization, identifying potential bottlenecks and suggesting necessary adjustments to configuration files.

Ideal for ongoing maintenance, MySQLTuner excels at pinpointing issues such as inefficient indexing, excessive use of temporary tables, and suboptimal query caching. It is particularly useful for various organizations including mid-sized businesses, enterprises, and startups, ensuring optimal performance while minimizing system overhead. With documentation available for training, MySQLTuner supports a range of integrations and is accessible to users proficient in English.