If your MariaDB or MySQL database system is swapping it can have a significant impact on your database query performance! Further it can also slow down your database shutdown and thus influence the whole reboot of your machine. This is especially painful if you have only short maintenance windows or if you do not want to spend the whole night with operation tasks.
When we do reviews of our customer MariaDB or MySQL database systems one of the items to check is Swap Space and swapping. With the free command …
