How to enable the slow query log

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To enable slow query log in cpanel server, you can use following steps. Its pretty simple.

Add following to following to /etc/my.cnf file on server.

# vi /etc/my.cnf

log-slow-queries=/var/lib/mysql/slow.log

After that,  do the following commands to create the file with the right ownership and file permissions:

# touch /var/lib/mysql/slow.log
# chmod 660 /var/lib/mysql/slow.log
# chown mysql:mysql /var/lib/mysql/slow.log

Restart the mysql server and check the logs in /var/lib/mysql/slow.log.


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