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

Share this page:


Was this article useful? Have any suggestions or improvements to the information?

Also Read

Recursive chmod / Permission Change Across Directories for a File Type

The following command may be very useful for changing the permissions of a file type such as .php...

central_filter defer (-17): error in filter file: unknown filtering command "r_subject:" near line 22 of filter file

The error "central_filter defer (-17): error in filter file: unknown filtering command...

CSF Error: *WARNING* Binary location for [HOST] [/usr/bin/host] in /etc/csf/csf.conf is either incorrect, is not installed or is not executable

During a CSF start or restart you may encounter this error. This is a result of /usr/bin/host...

SpamAssassin Command Line Bayesian Learn Command cPanel

Once it is enabled, it is necessary to train spamassassin to learn what is junk mail and what is...

This webpage is not available ERR_SSL_VERSION_OR_CIPHER_MISMATCH

This webpage is not availableERR_SSL_VERSION_OR_CIPHER_MISMATCHA secure connection cannot be...