From: Rolando Edwards (redwardslogicworks.net)
Date: Wed Oct 08 2008 - 07:01:52 CDT

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At the Linux prompt, enter this : cat mysql-bin.index

Make sure every binlog is in the mysql-bin.index. If the list is incorrect, then the expire logs feature won't work.

To test this out, try using PURGE MASTER LOGS TO ' mysql-bin.000055';

If this doesn't work, this verifies that the contents of mysql-bin.index are inconsistent. You will have to manually correct the contents of mysql-bin.index and 'service mysql restart'.

Give it a try !!!

-----Original Message-----
From: Zbigniew Szalbot [mailto:zszalbotgmail.com]
Sent: Wednesday, October 08, 2008 4:11 AM
To: mysqllists.mysql.com
Subject: mysql binlogs and their expiry times

Hi there,

I hope someone can help. Due to they way my HD has been sliced I had
to move mysql database to /usr/local/mysql. All works fine. Last week
I added this entry:

#expire bin logs
expire_logs_days = 7

to /usr/local/mysql/my.cnf

I restarted the MySQL server and now I have been waiting for the
binlogs to automatically expire but this is not happening:

$ ls -l /usr/local/mysql

-r--r--r-- 1 mysql mysql 4954 Oct 1 07:30 my.cnf
drwx------ 2 mysql mysql 1536 Sep 27 07:10 mysql
-rw-rw---- 1 mysql mysql 1073745213 Sep 2 04:07 mysql-bin.000047
-rw-rw---- 1 mysql mysql 1073746878 Sep 7 03:48 mysql-bin.000048
-rw-rw---- 1 mysql mysql 1073745707 Sep 11 20:07 mysql-bin.000049
-rw-rw---- 1 mysql mysql 175527890 Sep 12 08:32 mysql-bin.000050
-rw-rw---- 1 mysql mysql 128272 Sep 12 08:40 mysql-bin.000051
-rw-rw---- 1 mysql mysql 1073745119 Sep 17 04:35 mysql-bin.000052
-rw-rw---- 1 mysql mysql 1073747657 Sep 22 04:26 mysql-bin.000053
-rw-rw---- 1 mysql mysql 1073744456 Sep 27 03:28 mysql-bin.000054
-rw-rw---- 1 mysql mysql 986782722 Oct 1 07:32 mysql-bin.000055
-rw-rw---- 1 mysql mysql 1073742442 Oct 6 04:18 mysql-bin.000056
-rw-rw---- 1 mysql mysql 536487381 Oct 8 07:45 mysql-bin.000057
-rw-r----- 1 mysql mysql 209 Oct 6 04:18 mysql-bin.index

Do you have any idea why? Or if /usr/local/mysql/ is a correct
location for my.cnf file? Perhaphs it should go to /usr/local/etc/ ?

If it matters, I use mysql-server-5.0.67 on FreeBSD 7.0-Release machine.

Many thanks!

--
Zbigniew Szalbot

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