From owner-freebsd-stable@freebsd.org Mon Aug 24 08:30:01 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CEA019BFA10; Mon, 24 Aug 2015 08:30:01 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from kabab.cs.huji.ac.il (kabab.cs.huji.ac.il [132.65.116.210]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7D3C9AA; Mon, 24 Aug 2015 08:30:01 +0000 (UTC) (envelope-from danny@cs.huji.ac.il) Received: from chamsa.cs.huji.ac.il ([132.65.80.19]) by kabab.cs.huji.ac.il with esmtp id 1ZTn8g-000BKT-NA; Mon, 24 Aug 2015 11:29:58 +0300 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) Subject: Re: ix(intel) vs mlxen(mellanox) 10Gb performance From: Daniel Braniss In-Reply-To: <55DAC623.60006@selasky.org> Date: Mon, 24 Aug 2015 11:29:58 +0300 Cc: Rick Macklem , pyunyh@gmail.com, FreeBSD stable , FreeBSD Net , Gleb Smirnoff Content-Transfer-Encoding: quoted-printable Message-Id: <62C7B1A3-CC6B-41A1-B254-6399F19F8FF7@cs.huji.ac.il> References: <1D52028A-B39F-4F9B-BD38-CB1D73BF5D56@cs.huji.ac.il> <55D43615.1030401@selasky.org> <2013503980.25726607.1439989235806.JavaMail.zimbra@uoguelph.ca> <20150820023024.GB996@michelle.fasterthan.com> <1153838447.28656490.1440193567940.JavaMail.zimbra@uoguelph.ca> <15D19823-08F7-4E55-BBD0-CE230F67D26E@cs.huji.ac.il> <818666007.28930310.1440244756872.JavaMail.zimbra@uoguelph.ca> <49173B1F-7B5E-4D59-8651-63D97B0CB5AC@cs.huji.ac.il> <1815942485.29539597.1440370972998.JavaMail.zimbra@uoguelph.ca> <55DAC623.60006@selasky.org> To: Hans Petter Selasky X-Mailer: Apple Mail (2.2104) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Aug 2015 08:30:01 -0000 > On 24 Aug 2015, at 10:22, Hans Petter Selasky wrote: >=20 > On 08/24/15 01:02, Rick Macklem wrote: >> The other thing is the degradation seems to cut the rate by about = half each time. >> 300-->150-->70 I have no idea if this helps to explain it. >=20 > Might be a NUMA binding issue for the processes involved. >=20 > man cpuset >=20 > --HPS I can=E2=80=99t see how this is relevant, given that the same host, = using the mellanox/mlxen behave much better. I=E2=80=99m getting different results with the intel/ix depending who is = the nfs server danny