

You need to check mainly recommendations section at the end.
Mysql tuner password#
To run the script, simply make it executable and run it:Įnter your administrative username and password This is a really useful tool for helping to optimize MySQL performance.Understanding the various my.cnf variables and how they affect performance can seem really complicated but this tool takes some of the pain away and makes it easier to understand the effects of each variable.It is especially useful to be able to see the global memory usage, memory usage per thread and the maximum possible memory usage – that is really valuable information that is otherwise complex to calculate.ĭownload MySQLTuner using the following command Once the server and application are optimized well, you may need to consider hardware upgrades to the physical server itself. A qualified developer in your application’s programming or scripting language should be able to work with a MySQL database administrator to find improvements for your server. Server is Debian 10.7, 32GB Ram, 8 Core cpu, Shared VM on Linode. I have used MySQLTuner to tweak a few settings. During peak load times, the CPU can hit upwards of 600 or more, and slows down Wordpress application. Its important because if you change something like joinbuffersize from 2M to 4M, it can shoot-up mysql’s max memory utilization by. I need a different set of eyes checking my MariaDB settings. Some values are global while some are per-thread values.

You will see many settings & some config variables.

The best performance gains come from a thorough review of the queries sent to the server, and an evaluation of the MySQL server itself. Open /etc/mysql/my.cnf file & scroll down to mysqld section. It’s key to remember that MySQLTuner is a script which can assist you with your server, but it is not the solution to a badly performing MySQL server. Within seconds, it will display statistics about your MySQL installation and the areas where it can be improved. MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability.
