Whether you are using a MySQL server or a cluster, one thing is sure among users. To optimize your MySQL server as much as possible. Something that MySQL's developers know about and are giving us access to a series of comprehensive variables, that one can use to monitor in realtime the status and performance of a MySQL server.
Those variables are accessible via SHOW STATUS command. Below you can find a list of 10 important variables aiding us to draw conclusions about the status of our MySQL server.