From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Soltys Subject: Re: tc doesn't shape correctly -->> iproute2-latest + iptables 1.4.3.2 +linux-kernel 2.6.29.4 + imq support Date: Wed, 14 Oct 2009 11:56:41 +0200 Message-ID: <4AD5A059.6080303@ziu.info> References: <2f88d4dd0910080649p21768c82k5a81292bb6013c88@mail.gmail.com> <5b19ed110910080847q3bed17d3u9ae6dd42061917c8@mail.gmail.com> <4AD4087D.5060208@ziu.info> <5b19ed110910140202t23a3fd11kcc754220de041ccd@mail.gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5b19ed110910140202t23a3fd11kcc754220de041ccd@mail.gmail.com> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Karel Rericha Cc: netfilter@vger.kernel.org Karel Rericha wrote: > >>> P.S.: Half year back we tested simple HFSC setup on bench with 3 >>> classes (5, 10 and 15Mbits with root class 20Mbits) and when we >>> saturated all classes, total flow was 20Mbit for few seconds (5-30) >>> and then it overflowed to about 25Mbit, and sometimes returned back to >>> 20Mbit after few minutes. VERY strange. >> What exactly was your setup and how did you test it ? >> > > Not sure (long time ago), but I think gentoo-sources 2.6.27 AMD64 on > dual dualcore Opteron 2214, 2x Intel 82571EB, 2x Broadcom BCM5754, > tested without bonding (but in production setup bonding is used), > without packet offloading, no imq nor ifb used. HFSC overflowed but > HTB was ok. > > Karel > I meant more about your hfsc rules in that simple setup, not the hardware.