From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Furniss Subject: Re: IMQ again WAS(Re: iptables breakage WAS(Re: dummy as IMQ replacement Date: Sun, 27 Mar 2005 20:35:21 +0100 Message-ID: <42470AF9.8050402@dsl.pipex.com> References: <1107123123.8021.80.camel@jzny.localdomain> <1111410890.1092.195.camel@jzny.localdomain> <423F41AD.3010902@dsl.pipex.com> <1111444869.1072.51.camel@jzny.localdomain> <423F71C2.8040802@dsl.pipex.com> <1111462263.1109.6.camel@jzny.localdomain> <42408998.5000202@dsl.pipex.com> <1111550254.1089.21.camel@jzny.localdomain> <4241C478.5030309@dsl.pipex.com> <1111607112.1072.48.camel@jzny.localdomain> <4241D764.2030306@dsl.pipex.com> <1111612042.1072.53.camel@jzny.localdomain> <4241F1D2.9050202@dsl.pipex.com> <4241F7F0.2010403@dsl.pipex.com> <1111625608.1037.16.camel@jzny.localdomain> <424212F7.10106@dsl.pipex.com> <1111663947.1037.24.camel@jzny.localdomain> <1111665450.1037.27.camel@jzny.localdomain> <4242DFB5.9040802@dsl.pipex.com> <1111749220.1092.457.camel@jzny.localdomain> <42446DB2.9070809@dsl.pipex.com> <1111781443.1092.631.camel@jzny.localdomain> <4244802C. Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Harald Welte , Patrick McHardy , Remus , netdev , Nguyen Dinh Nam , Andre Tomt , syrius.ml@no-log.org, Damion de Soto To: hadi@cyberus.ca In-Reply-To: <1111788760.1090.712.camel@jzny.localdomain> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org jamal wrote: >>I'll have to re-run a test I did recently which was lots of tc filter >>matches at 8000pps - on egress IMQ was almost as good as directly on >>eth0. On ingress it was more than 10X worse. >> > How many filters? I wont suspect any difference between ingress > and egress. You are right - the test was to blame. I was using my old PC as sender, it's frozen in time at 2.4.20 which for some reason has a txqueuelen on eth0 of 0. It doesn't show using netperf when just testing LAN speed - but makes alot of difference for the test I did - ifconfig eth0 txqueuelen 1000 fixed it. Andy.