[httperf] file descriptors
martin.arlitt at hp.com
Tue Jul 8 08:27:31 PDT 2008
The following paper discusses configuration settings for a stock httperf on a Linux system, to enable relatively high request rates.
and/or you can try out Adrian's enhanced version, and let us all know how it works.
From: httperf-bounces at napali.hpl.hp.com [mailto:httperf-bounces at napali.hpl.hp.com] On Behalf Of Adrian Chadd
Sent: Tuesday, July 08, 2008 8:11 AM
To: Paul Guermonprez
Cc: httperf at napali.hpl.hp.com
Subject: Re: [httperf] file descriptors
If you try out my libevent enabled httperf then the filedescriptor
count won't be limited by FD_SETSIZE.
(Noone's bothered trying it out? Its going to be a hell of a lot faster
than stock httperf..)
On Tue, Jul 08, 2008, Paul Guermonprez wrote:
> i am running multi gigabit bandwidth tests, and in my setup the limit
> seem to be httperf regarding file descriptors.
> tried to compile 0.9 with TIME_SYSCALLS=1 or without.
> command :
> httperf --hog --server=192.168.1.141 --port 8080
> --wsesslog=5000,0,album.session --timeout=10 --think-timeout=0
> httperf: warning: open file limit > FD_SETSIZE; limiting max. # of
> open files to FD_SETSIZE
> Errors: total 2019 client-timo 496 socket-timo 0 connrefused 0 connreset 8
> Errors: fd-unavail 1515 addrunavail 0 ftab-full 0 other 0
> i of course changed the ulimit before that
> (album.session is downloading a lot of images and launching a few php
> scripts ...)
> Would you have an idea on how to solve that ?
> note i should probably try to launch several httperf on several servers,
> i but i have a small number of 10Gb cards right now
> thanks, paul.
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> httperf at linux.hpl.hp.com
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