FC4 test (x86_64) poor performance
Dave Jones
davej at redhat.com
Sun May 29 22:11:19 UTC 2005
On Sun, May 29, 2005 at 09:32:56AM -0400, Vlad wrote:
> Hello,
>
> I've ran a series of tests on FC4 x86_64 and FC3 x86_64. Found that
> the performance is quite poor under FC4 (Athlon64 on nForce 4 Ultra).
>
> 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.
Are you running the latest rawhide ?
Dave
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