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Re: Flush logs does not recreate slowlog.

 

Running command from hand does not work as expected -> the slowlog is not
recreated.


2013/5/23 Eric Bergen <eric.bergen@xxxxxxxxx>

> Strange. I don't have a 5.5.30 build handy but I tried this on my
> trunk build of mariadb using the sql command and it works:
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) ls -li mysql/slow.log
> 52430026 -rw-rw----. 1 ebergen ebergen 244 May 23 11:56 mysql/slow.log
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) mv mysql/slow.log{,.old}
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) ls -li mysql/slow.log
> ls: cannot access mysql/slow.log: No such file or directory
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) ./con
> Welcome to the MariaDB monitor.  Commands end with ; or \g.
> Your MariaDB connection id is 4
> Server version: 5.5.5-10.0.2-MariaDB-log Source distribution
>
> Copyright (c) 2000, 2012, Oracle, Monty Program Ab and others.
>
> Type 'help;' or '\h' for help. Type '\c' to clear the current input
> statement.
>
> MariaDB [(none)]> flush slow logs;
> Query OK, 0 rows affected (0.04 sec)
>
> MariaDB [(none)]> Ctrl-C -- exit!
> Aborted
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) ls -li mysql/slow.log*
> 52430011 -rw-rw----. 1 ebergen ebergen 244 May 23 11:59 mysql/slow.log
> 52430026 -rw-rw----. 1 ebergen ebergen 244 May 23 11:56 mysql/slow.log.old
>
> Same with mysqladmin:
> ebergen@santa:(~/store/mysql/standalone_mariadb) mv mysql/slow.log{,.old}
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) ls -li mysql/slow.log*
> 52430011 -rw-rw----. 1 ebergen ebergen 488 May 23 12:01 mysql/slow.log.old
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) mysqladmin -S
> ./mysql.sock flush-logs
>
> ebergen@santa:(~/store/mysql/standalone_mariadb) ls -li mysql/slow.log*
> 52430026 -rw-rw----. 1 ebergen ebergen 244 May 23 12:02 mysql/slow.log
> 52430011 -rw-rw----. 1 ebergen ebergen 488 May 23 12:01 mysql/slow.log.old
>
> Are you capturing errors from your crontab? Does running the command
> by hand work?
>
>
> On Thu, May 23, 2013 at 1:11 AM, Rafał Radecki <radecki.rafal@xxxxxxxxx>
> wrote:
> > Hi All.
> >
> > I use:
> > MariaDB-server-5.5.30-1.x86_64
> > on
> > CentOS release 6.4 (Final)
> > 2.6.32-358.el6.x86_64
> >
> >
> > "flush logs" or "flush slow logs" does not recreate the file.
> > In https://dev.mysql.com/doc/refman/5.5/en/flush.html there is "With no
> > log_type option, FLUSH LOGS closes and reopens all log files." and "With
> a
> > log_type option, only the specified log type is flushed." but neither
> > command recreates the log file.
> >
> > I rotate slowlog through crontab:
> > mv /var/log/mysqld-slow.log /var/log/mysqld-slow.log.old ; mysqladmin
> > flush-logs
> >
> > Is it a bug or should it be so for some reason?
> >
> > Best regards,
> > Rafal.
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~maria-discuss
> > Post to     : maria-discuss@xxxxxxxxxxxxxxxxxxx
> > Unsubscribe : https://launchpad.net/~maria-discuss
> > More help   : https://help.launchpad.net/ListHelp
> >
>
>
>
> --
> Eric Bergen
> eric.bergen@xxxxxxxxx
> http://www.ebergen.net
>

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