FC4 test (x86_64) poor performance
Dave Jones
davej at redhat.com
Sun May 29 22:45:47 UTC 2005
On Sun, May 29, 2005 at 06:40:55PM -0400, Vlad wrote:
> > > I've compiled apache+php and measured max requests per second (rps) of
> > > a simple php script (output of phpinfo(); php_info(INFO_MODULES)) with
> > > the apache's 'ab' application. The maximum RPS I managed for FC4 is
> > > 440 while FC3 showed up to 730. Network is not the issue cause I did
> > > measurement via lo0.
> > >
> > > It's the same server and I've ran yum update before tests in both
> > > cases. Any ideas?
> >
> > If you are running a kernel earlier than revision 2.6.11-1.1355, it'll
> > have extra debugging enabled which will impact memory allocations.
>
> I did the tests several days ago; following your advise I just ran yum
> update and tested once again with 2.6.11-1.1363_FC4. Things are much
> improved now.
Great! However, don't tease :-) I'm sure I'm not the only person
curious what RPS you now achieve :-)
Dave
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