Re: FC4 test (x86_64) poor performance

[Dave Jones <davej redhat com>]

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