From owner-freebsd-fs@FreeBSD.ORG  Thu May  2 22:39:21 2013
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id AF84DA44
 for <freebsd-fs@freebsd.org>; Thu,  2 May 2013 22:39:21 +0000 (UTC)
 (envelope-from allan@physics.umn.edu)
Received: from mail.physics.umn.edu (smtp.spa.umn.edu [128.101.220.4])
 by mx1.freebsd.org (Postfix) with ESMTP id 90AEF1A62
 for <freebsd-fs@freebsd.org>; Thu,  2 May 2013 22:39:21 +0000 (UTC)
Received: from peevish.spa.umn.edu ([128.101.220.230])
 by mail.physics.umn.edu with esmtp (Exim 4.77 (FreeBSD))
 (envelope-from <allan@physics.umn.edu>)
 id 1UY1q5-0004tM-EX; Thu, 02 May 2013 17:18:57 -0500
Received: by peevish.spa.umn.edu (Postfix, from userid 5000)
 id 6131D639; Thu,  2 May 2013 17:18:57 -0500 (CDT)
Date: Thu, 2 May 2013 17:18:57 -0500
From: Graham Allan <allan@physics.umn.edu>
To: "Marc G. Fournier" <scrappy@hub.org>
Subject: Re: NFS Performance issue against NetApp
Message-ID: <20130502221857.GJ32659@physics.umn.edu>
References: <834305228.13772274.1367527941142.JavaMail.root@k-state.edu>
 <75CB6F1E-385D-4E51-876E-7BB8D7140263@hub.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <75CB6F1E-385D-4E51-876E-7BB8D7140263@hub.org>
User-Agent: Mutt/1.5.20 (2009-12-10)
Content-Transfer-Encoding: quoted-printable
Cc: freebsd-fs@freebsd.org
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 02 May 2013 22:39:21 -0000

On Thu, May 02, 2013 at 02:05:38PM -0700, Marc G. Fournier wrote:
>=20
> The thing is, I'm not convinced it is a NFS related issue =E2=80=A6 the=
re are *so* many other variables involved =E2=80=A6 it could be something=
 with the network stack =E2=80=A6 it could be something with the schedule=
r =E2=80=A6 it could be =E2=80=A6 hell, it could be like the guy states i=
n that blog posting (http://antibsd.wordpress.com/) and be the compiler c=
hanges =E2=80=A6=20

I'm just watching interestedly from the sidelines, and I hesitate to ask
because it seems too obvious - maybe I missed something - but have you
run both tests (Linux and FreeBSD) purely with local disk, to get a
baseline independent of NFS?

Graham