Re: MySQL with KSE -- Unstable?

From: Daniel Eischen <eischen_at_vigrid.com>
Date: Tue, 3 Feb 2004 16:22:19 -0500 (EST)
On Tue, 3 Feb 2004, Sven Willenberger wrote:

> On Tue, 2004-02-03 at 14:34, Kris Gale wrote:
> > I've given MySQL on KSE a couple of tries in production, and I've
> > run into a problem where threads seem to build up after an hour
> > or so, depending on load.
> > 
> 
> > Any ideas?  Has anyone else had success with MySQL on 5.2
> > with KSE in high-load environments?
> > 
> > Kris Gale
> 
> Ran into a similar situation when I used libmap.conf to use libkse for
> apache and mpm worker model. Following the manpage example, I set
> default threads to use libthr instead of libc_r. Running a fairly hi
> load web/mysql server, I ended up with with the error "unable to create
> new threads" and and had to kill the mysql server. It seems that mysql
> is partial to libc_r rather than libkse or libthr(?) as changing the
> libmap entry back to libc_r for default cured the mysql woes.

That sounds like mysql doesn't clean up its threads properly
or there is something wrong in both libpthread and libthr in
that regard.  Perhaps mysql knows a little too much about
how libc_r works and this causes problems for the other two
thread libraries...

-- 
Dan
Received on Tue Feb 03 2004 - 12:22:22 UTC

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