Disk space

mysql-bin log files take a lot of space

Symptom and cause

Symptom: the directory /var/lib/mysql/ is taking an increasing amount of space because of the numerous “server-bin.n” or mysql-bin.00000n files stored there.

This is because /etc/mysql/my.cnf has:


Binary logging is used for data recovery and for replication with master/slave servers.

To clear those binary log files, you must first decide whether you want/need binary logging or not.

Disable binary logging

In /etc/mysql/my.cnf:
disable log-bin and related settings as below (comment out or delete):

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