MySQL performance optimisation is crucial for ensuring database efficiency, stability, and speed. MySQLTuner is a powerful script that analyses your MySQL server\u2019s configuration and provides recommendations for performance improvements.<\/p>\n
This guide will walk you through installing, running, and interpreting MySQLTuner results to optimise your database.<\/p>\n
Prerequisites: Install MySQLTuner: Alternatively, you can download it manually:<\/p>\n Run MySQLTuner Alternatively, if you downloaded it manually:<\/p>\n MySQLTuner will prompt you for the MySQL root password and begin analysing your server\u2019s performance.<\/p>\n Interpret the Results Optimise MySQL Settings After making changes, restart MySQL:<\/p>\n Re-run MySQLTuner Review the new recommendations and fine-tune the configurations accordingly.<\/p>\n Using MySQLTuner regularly helps maintain an optimised and efficient MySQL database. By analysing its recommendations and making necessary adjustments, you can significantly improve database performance and stability. If issues persist, consider deeper profiling with tools like EXPLAIN, slow query logs, or performance_schema.<\/p>\n For further assistance, consult the MySQL documentation or seek expert advice.<\/p>\n Need to manage database access? Check out our guide on How to add a user to a MySQL database in cPanel<\/a><\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":" MySQL performance optimisation is crucial for ensuring database efficiency, stability, and speed. MySQLTuner is a powerful script that analyses your MySQL server\u2019s configuration and provides recommendations for performance improvements. This…<\/p>\n
\n<\/strong>Before proceeding, ensure you have:<\/p>\n\n
\n<\/strong>To install MySQLTuner, follow these steps:<\/p>\n\n
\n<\/strong><\/p>\nsudo apt update\r\nsudo apt install mysqltuner -y<\/pre>\n<\/li>\n
\n<\/strong><\/p>\nsudo yum install epel-release -y\r\nsudo yum install mysqltuner -y<\/pre>\n
wget https:\/\/raw.githubusercontent.com\/major\/MySQLTuner-perl\/master\/mysqltuner.pl\r\nchmod +x mysqltuner.pl<\/pre>\n<\/li>\n<\/ol>\n
\n<\/strong>Execute the following command:<\/p>\nsudo mysqltuner<\/pre>\n
perl mysqltuner.pl<\/pre>\n
\n<\/strong>After running MySQLTuner, you will receive a report with key insights:<\/p>\n\n
\n<\/strong>Based on MySQLTuner\u2019s recommendations, modify the MySQL configuration file (\/etc\/mysql\/my.cnf or \/etc\/my.cnf). Below are common optimisations:<\/p>\n\n
\n<\/strong><\/p>\n[mysqld]\r\n\r\ninnodb_buffer_pool_size = 1G<\/pre>\n<\/li>\n
\n<\/strong><\/p>\n[mysqld]\r\n\r\nquery_cache_size = 64M\r\n\r\nquery_cache_type = 1<\/pre>\n<\/li>\n
\n<\/strong><\/p>\n[mysqld]\r\n\r\nmax_connections = 200<\/pre>\n
sudo systemctl restart mysql<\/pre>\n<\/li>\n<\/ol>\n
\n<\/strong>To check the impact of optimisations, re-run MySQLTuner:<\/p>\nsudo mysqltuner<\/pre>\n