From: Rik Wasmus
Date: August 2 2012 5:02pm
Subject: Re: manage mysql-bin.xxxxxx files on mac
List-Archive: http://lists.mysql.com/mysql/227939
Message-Id: <201208021902.19863.rik@grib.nl>
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> I don't really know how to use those files and so like to know how to
> stop populating them. or at least control the number and size of them.

Used for: disaster recovery / replay modifications on backup, or replication 
afaik.

Days kept: expire_log_days:

http://dev.mysql.com/doc/refman/5.5/en/server-system-
variables.html#sysvar_expire_logs_days

Max size: max_binlog_size:




> I'm running os x 10.6.8, mysql Server version: 5.1.61-log MySQL
> Community Server (GPL)
> 
> I tried comment out the line "log-bin=mysql-bin" and those
> mysql-bin.xxxxxx files in the data directory. It causes mysql server
> starting failure.

Hm, what output 

-- 
Rik Wasmus