From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: fedora 14 kernel performance with ip forwarding workload Date: Wed, 06 Apr 2011 23:11:09 +0200 Message-ID: <1302124269.2701.36.camel@edumazet-laptop> References: <20110406195719.GE14697@ghostprotocols.net> <20110406.130239.232756965.davem@davemloft.net> <1302121136.2701.16.camel@edumazet-laptop> <20110406.132906.200378990.davem@davemloft.net> <1302121945.2701.31.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: David Miller , "acme@ghostprotocols.net" , "jesse.brandeburg@gmail.com" , "fedora-kernel-list@redhat.com" , "netdev@vger.kernel.org" To: "Brandeburg, Jesse" Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:36668 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751371Ab1DFVLO (ORCPT ); Wed, 6 Apr 2011 17:11:14 -0400 Received: by wwa36 with SMTP id 36so2269858wwa.1 for ; Wed, 06 Apr 2011 14:11:13 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Le mercredi 06 avril 2011 =C3=A0 14:08 -0700, Brandeburg, Jesse a =C3=A9= crit : > Thanks for the replies,=20 > Yes indeed, I bet that conntrack was the item that caused the grief I= saw. =20 > In fact turning off CONFIG_NETFILTER disables conntrack and solved my= =20 > problem. :-) >=20 > Now the question is how to get the netfiltery/conntracky goodness wit= hout=20 > impacting those who want to go fast, maybe without a helmet. Thats pretty simple, just load netfilter modules if necessary. If not loaded, cost is pretty small, being predicted branches.