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Date:      Thu, 9 Oct 2008 07:06:42 +0200
From:      "Zbigniew Szalbot" <zszalbot@gmail.com>
To:        freebsd-questions <freebsd-questions@freebsd.org>
Subject:   Re: mysql binlogs and their expiry times
Message-ID:  <94136a2c0810082206u3e1de52el320672c67665ef5a@mail.gmail.com>
In-Reply-To: <48ED0986.6060100@infracaninophile.co.uk>
References:  <94136a2c0810072248t7143c6am7b5740a7d770317d@mail.gmail.com> <48ED0986.6060100@infracaninophile.co.uk>

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Hello,

>> -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

> What's the output from running this SQL:  "SHOW BINARY LOGS ;" ?
mysql> SHOW BINARY LOGS ;
+------------------+------------+
| Log_name         | File_size  |
+------------------+------------+
| mysql-bin.000055 |  986782722 |
| mysql-bin.000056 | 1073742442 |
| mysql-bin.000057 |  754496837 |
+------------------+------------+
3 rows in set (0.01 sec)

$ cat /usr/local/mysql/mysql-bin.index
./mysql-bin.000055
./mysql-bin.000056
./mysql-bin.000057

So all seems fine. Actually, I have taken this question to mysql list
and found out that other users are reporting similar problems.

http://lists.mysql.com/mysql/206576
http://bugs.mysql.com/bug.php?id=28238
http://lists.mysql.com/mysql/202793

So my final solution (if anyone's interested) was adding this to crontab

11      11      *       *       *       /usr/local/bin/mysql -u root
-psecret -e "PURGE MASTER LOGS BEFORE DATE_SUB(CURRENT_DATE, INTERVAL
7 DAY)"

It works so no problem but I do not really like the idea of providing
passwords in crontab. I wish the option in my.cnf file worked as
advertised.

Anyway, thank you very much for your help.

-- 
Zbigniew Szalbot



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