From owner-freebsd-performance@FreeBSD.ORG Tue Oct 20 07:05:39 2009 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 361651065670 for ; Tue, 20 Oct 2009 07:05:39 +0000 (UTC) (envelope-from pathiaki2@yahoo.com) Received: from web110506.mail.gq1.yahoo.com (web110506.mail.gq1.yahoo.com [67.195.8.254]) by mx1.freebsd.org (Postfix) with SMTP id 0272C8FC18 for ; Tue, 20 Oct 2009 07:05:38 +0000 (UTC) Received: (qmail 91079 invoked by uid 60001); 20 Oct 2009 06:38:58 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1256020738; bh=lRCcBh6+Vx0mjoWdUp640PjZMZFs+cjdN7PLBMYnjVU=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=X9cQil3fRJm0PpE3gU8vqEaVdZjp89LEg0+WWI6vgZ7PHztbFruz8dXypN0KSWLkA91L1Y3PLH43q5znSK64zrKNb8uGPpoBVy3PyxSAzhLqGB8ockd+AhxJZQh7loRr0TOoK1wdiaCrTwcd8Cp95EWFoUYBpq6G2WwIiYHV+V0= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:References:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=UCjccpijyxGd90LoB4y6b0ncLn3nEM6XE1PuIq0op+zWAbM5wQU/pd0VCxDRr0RY7YPStE/yg/WnrcBES0Xk2cc4P7m3huBaVzUCcDvRprgGrBKWvqmrvmwwG1eWUu23fxp5SMqxhW2sUzmKoVXLA8FZgxYSJwxwvNHFo66ZbR0=; Message-ID: <687096.90163.qm@web110506.mail.gq1.yahoo.com> X-YMail-OSG: aW9neU4VM1lJBI6sk4bISJ2mC_ptcU7qPo4Q1sw_A2HBzfndWmm9LgFs Received: from [71.174.61.120] by web110506.mail.gq1.yahoo.com via HTTP; Mon, 19 Oct 2009 23:38:58 PDT X-Mailer: YahooMailRC/182.10 YahooMailWebService/0.7.347.3 References: <78DB4AE8EF5F4A1EBD3992D7404B2725@china.huawei.com> Date: Mon, 19 Oct 2009 23:38:58 -0700 (PDT) From: Paul Pathiakis To: Adrian Chadd , =?iso-8859-1?Q?Istv=E1n?= In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Hongtao Yin , freebsd-performance@freebsd.org, Brent Jones Subject: Re: Comparison of FreeBSD/Linux TCP Throughput performance 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: Tue, 20 Oct 2009 07:05:39 -0000 Hi,=0A=0Agoing to chime in on this one....just trying to help.=0A=0AThere's= some simple things to get Gb, jumbo frames (MTU > 1500 on both the switch = port and the card) is a simple way.=0A=0AHowever, I'd have to read back on = this thread as I haven't had time of late. Basically, and I've seen this o= n many, many Gb cards, chipsets and Drives make the world of difference. = =0A=0AI tried for a few days to try and get an HP DL360 with it's dual on-b= oard Broadcom bge NIC to get to 1 Gb.... just plain no way. If anyone has = settings for that, I'd like to know them. Also, this is the same chip set = that a lot of vendors use and it is cheap and inexpensive. When I couldn't= get the thing to go beyond 720Mb, I tried something simple. I ordered an = Intel dual Gb port card and put that in. WITHOUT tuning, this thing starte= d at almost 800 Mb throughput and I almost got it to 850 Mb within a few ho= urs.=0A=0AI wish I could send those settings to this list but it was well o= ver a year ago that I did this.=0A=0ASadly, most large vendors start with B= roadcom chipsets and don't want to spent the extra $10 for the Intel chipse= t. (No, I am not a fan boy of Intel, more of AMD if anything, but their NI= Cs rock.)=0A=0AP.=0A=0A=0A=0A=0A________________________________=0AFrom: Ad= rian Chadd =0ATo: Istv=E1n =0ACc: Ho= ngtao Yin ; freebsd-performance@freebsd.org; Brent Jones = =0ASent: Mon, October 19, 2009 10:39:53 PM=0ASubject: = Re: Comparison of FreeBSD/Linux TCP Throughput performance=0A=0A2009/10/20 = Istv=E1n :=0A=0A=0A> therefore i like netpipe runs you c= an see the performance and the latency as=0A> well using the packet size as= your "x" axis, i think it makes more sense=0A> then just 1 number=0A=0AMy = point was to demonstrate that saturating gigabit ethernet is very=0Adoable = with FreeBSD, and his limitation is more likely somewhere other=0Athan "TCP= ".=0A=0AI've told him privately to check CPU utilisation. I'll do the same = on=0Amy boxes when I get some time; I'd like to know why I'm only seeing ~= =0A800mbit with large buffers.=0A__________________________________________= _____=0Afreebsd-performance@freebsd.org mailing list=0Ahttp://lists.freebsd= .org/mailman/listinfo/freebsd-performance=0ATo unsubscribe, send any mail t= o "freebsd-performance-unsubscribe@freebsd.org"=0A=0A=0A=0A