Mysql used 5GB (buffers + 400 connections) of memory, but CGI-script some
time made heavy load when used many memory and used SWAP. OOM-killer must
kill new cgi-forks, wich use many memory, but it kill mysqld and sshd.
2010/8/5 Walter Heck - OlinData.com <lists@stripped>
> It would be a lot better to make sure your server doesn't turn
> OOM-psycho on you. The most common case of this happening is that you
> have set the memory-settings in your my.cnf in such a way that it
> allows MySQL to use more memory then you have available. Could you
> post your my.cnf here by chance?
> Walter Heck
> Engineer @ Open Query (http://openquery.com)
> On Fri, Aug 6, 2010 at 02:43, Евгений Килимчук
> > Hello!
> > I use CentOS 5.4 with LAMP. On the server runs heavy cgi-programs. MySQL
> > 75% (100% = 8GB) of memory. When cgi programs use more than 25% of memory
> > and all SWAP file (8GB), kernel run OOM-Kiler wich kill mysqld procces.
> > I use:
> > echo "0" > /proc/sys/vm/swappiness - This allows to reduce using of
> > I want to use:
> > echo "-17" > /proc/`pidof mysqld`/oom_adj - This allows save mysqld when
> > oom-killer.
> > Someone used this option?
Eugene Kilimchuk <ekilimchuk@stripped>