From owner-freebsd-performance@FreeBSD.ORG Sun Mar 19 13:09:14 2006 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9AE4516A401 for ; Sun, 19 Mar 2006 13:09:14 +0000 (UTC) (envelope-from oxy@field.hu) Received: from green.field.hu (green.field.hu [217.20.130.28]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1DD0D43D48 for ; Sun, 19 Mar 2006 13:09:13 +0000 (GMT) (envelope-from oxy@field.hu) Received: from localhost (green.field.hu [217.20.130.28]) by green.field.hu (Postfix) with ESMTP id 49C1D119D2E; Sun, 19 Mar 2006 14:08:33 +0100 (CET) Received: from green.field.hu ([217.20.130.28]) by localhost (green.field.hu [217.20.130.28]) (amavisd-new, port 10024) with ESMTP id 26048-06; Sun, 19 Mar 2006 14:08:33 +0100 (CET) Received: from oxy (dsl217-197-187-71.pool.tvnet.hu [217.197.187.71]) by green.field.hu (Postfix) with ESMTP id E7353119CC4; Sun, 19 Mar 2006 14:08:32 +0100 (CET) Message-ID: <000c01c64b56$52465710$0201a8c0@oxy> From: "OxY" To: "Sten Spans" , "Arne Woerner" References: <20060319124801.1717.qmail@web30308.mail.mud.yahoo.com> Date: Sun, 19 Mar 2006 14:09:14 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="ISO-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2670 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670 X-Virus-Scanned: by Amavisd-new (Spamassassin+Razor2+Pyzor+DCC+Bayes db, Clamd Antivirus) at field.hu Cc: freebsd-performance@freebsd.org Subject: Re: packet drop with intel gigabit / marwell gigabit X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Mar 2006 13:09:14 -0000 ----- Original Message ----- From: "Sten Spans" To: "Arne Woerner" Cc: "OxY" ; Sent: Sunday, March 19, 2006 1:56 PM Subject: Re: packet drop with intel gigabit / marwell gigabit > On Sun, 19 Mar 2006, Arne Woerner wrote: > >> --- OxY wrote: >> Then it might be the main board like somebody else wrote some >> minutes ago (maybe ur main board cannot move so much data so >> quickly)? >> My Athlon XP 2400+ can do more than 2000Mbit/sec, when I do >> dd if=/dev/zero of=/dev/null bs=1m count=1000 >> Maybe u want to try the same on ur "patient"? > > The main thing to look out for is the pci-bus. > A normal 33mhz/64bits pci bus can only do about > 100 megabyte, if storage and and network are both > connected to this bus contention will happen. > > (70mb ide, and 500mbit network just won't fit) i have ~50mbit traffic on fxp0 x2 disk read = 100Mbit and currently have ~200-250mbit on em0 x 2 disk write = 400-500Mbit so 500Mbit total with disk r/w.. both network cards and all disks are in pci slot (33mhz/32bit) > -- > Sten Spans > > "There is a crack in everything, that's how the light gets in." > Leonard Cohen - Anthem