Repairing and Optimizing all MySQL and MariaDB Databases on the Server

From time to time you will find repairing and optimizing your databases are necessary. From a shell the following may be useful for mySQL and MariaDBs:

Repair and optimized DBs

find /var/lib/mysql -name '*.MYI' -exec myisamchk -r {} \;
find /var/lib/mysql -name '*.MYI' -exec myisamchk -o {} \;

Force repair:

find /var/lib/mysql -name '*.MYI' -exec myisamchk -rf {} \;

mysqlcheck Repair and Optimize:

mysqlcheck --repair --use-frm --all-databases
mysqlcheck -o -A
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