From owner-freebsd-hackers@FreeBSD.ORG Mon Oct 15 13:41:43 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7D7AF39E; Mon, 15 Oct 2012 13:41:43 +0000 (UTC) (envelope-from ndenev@gmail.com) Received: from mail-wg0-f50.google.com (mail-wg0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id DA9598FC16; Mon, 15 Oct 2012 13:41:42 +0000 (UTC) Received: by mail-wg0-f50.google.com with SMTP id 16so4160000wgi.31 for ; Mon, 15 Oct 2012 06:41:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; bh=yOMhe4W/6hVDQgGMmzza+LSqsVDzldd2LqJR8geimAg=; b=QJVtMXJtLKPRK0cTOdh+e2N/sviqmzMaxHYyhALEfKyUQ/t0JKWa2gbW8nJuB50xyC oFVylLtfjj+p48zlyz45NVWPnsCn1T37jLLRi9AvhG7lec32xKKp9qh4L+XzSkakN1+c cR0uT4SULFlNsuCBufVKtSXvLemSRLstggSA93zDTvNdLaleaONwkYNCq3Rt9oSmlhan H2ZbjUMj70Nm0hlI6kAZQt1Qn7oFuWP54mhj1f/lR+cUmHX0wzNeuJ3JwYYy1bxb6UAk XHknq+soArTye9a5sLskIXePEf5I/0ctoqPFqPdvD+mJ8N42tdq3dBIvTnLMf9UvZEYv WoIw== Received: by 10.180.102.131 with SMTP id fo3mr23997987wib.1.1350308501549; Mon, 15 Oct 2012 06:41:41 -0700 (PDT) Received: from ndenevsa.sf.moneybookers.net (g1.moneybookers.com. [217.18.249.148]) by mx.google.com with ESMTPS id m14sm14025191wie.8.2012.10.15.06.41.39 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 15 Oct 2012 06:41:40 -0700 (PDT) Subject: Re: NFS server bottlenecks Mime-Version: 1.0 (Mac OS X Mail 6.1 \(1498\)) Content-Type: text/plain; charset=us-ascii From: Nikolay Denev In-Reply-To: Date: Mon, 15 Oct 2012 16:41:38 +0300 Content-Transfer-Encoding: quoted-printable Message-Id: <752224AF-F6B6-413C-8597-61829800E0BC@gmail.com> References: <937460294.2185822.1350093954059.JavaMail.root@erie.cs.uoguelph.ca> <302BF685-4B9D-49C8-8000-8D0F6540C8F7@gmail.com> To: Ivan Voras X-Mailer: Apple Mail (2.1498) Cc: freebsd-hackers@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Oct 2012 13:41:43 -0000 On Oct 15, 2012, at 2:52 PM, Ivan Voras wrote: > On 13/10/2012 17:22, Nikolay Denev wrote: >=20 >> drc3.patch applied and build cleanly and shows nice improvement! >>=20 >> I've done a quick benchmark using iozone over the NFS mount from the = Linux host. >>=20 >=20 > Hi, >=20 > If you are already testing, could you please also test this patch: >=20 > http://people.freebsd.org/~ivoras/diffs/nfscache_lock.patch >=20 > It should apply to HEAD without Rick's patches. >=20 > It's a bit different approach than Rick's, breaking down locks even = more. >=20 I will try to apply it to RELENG_9 as that's what I'm running and = compare the results.