From owner-freebsd-stable@FreeBSD.ORG Tue Jun 29 01:52:28 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9DCA8106566C for ; Tue, 29 Jun 2010 01:52:28 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-jnhn.mail.uoguelph.ca (esa-jnhn.mail.uoguelph.ca [131.104.91.44]) by mx1.freebsd.org (Postfix) with ESMTP id 50C7A8FC08 for ; Tue, 29 Jun 2010 01:52:27 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvsEABbvKEyDaFvH/2dsb2JhbACfNXHARIUkBA X-IronPort-AV: E=Sophos;i="4.53,501,1272859200"; d="scan'208";a="82009326" Received: from danube.cs.uoguelph.ca ([131.104.91.199]) by esa-jnhn-pri.mail.uoguelph.ca with ESMTP; 28 Jun 2010 21:52:25 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by danube.cs.uoguelph.ca (Postfix) with ESMTP id C9AE81084789; Mon, 28 Jun 2010 21:52:26 -0400 (EDT) X-Virus-Scanned: amavisd-new at danube.cs.uoguelph.ca Received: from danube.cs.uoguelph.ca ([127.0.0.1]) by localhost (danube.cs.uoguelph.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8+iYSKd-OFAj; Mon, 28 Jun 2010 21:52:25 -0400 (EDT) Received: from muncher.cs.uoguelph.ca (muncher.cs.uoguelph.ca [131.104.91.102]) by danube.cs.uoguelph.ca (Postfix) with ESMTP id B9BB3108478F; Mon, 28 Jun 2010 21:52:25 -0400 (EDT) Received: from localhost (rmacklem@localhost) by muncher.cs.uoguelph.ca (8.11.7p3+Sun/8.11.6) with ESMTP id o5T29L800838; Mon, 28 Jun 2010 22:09:21 -0400 (EDT) X-Authentication-Warning: muncher.cs.uoguelph.ca: rmacklem owned process doing -bs Date: Mon, 28 Jun 2010 22:09:21 -0400 (EDT) From: Rick Macklem X-X-Sender: rmacklem@muncher.cs.uoguelph.ca To: "Rick C. Petty" In-Reply-To: <20100628153527.GB53315@kay.kiwi-computer.com> Message-ID: References: <20100627221607.GA31646@kay.kiwi-computer.com> <20100628031401.GA45282@kay.kiwi-computer.com> <20100628034741.GA45748@kay.kiwi-computer.com> <20100628153527.GB53315@kay.kiwi-computer.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org Subject: Re: Why is NFSv4 so slow? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Jun 2010 01:52:28 -0000 On Mon, 28 Jun 2010, Rick C. Petty wrote: > > I can try it again with v3 client and v4 server, if you think that's > worthy of pursuit. If it makes any difference, the server's four CPUs are > pegged at 100% (running "nice +4" cpu-bound jobs). But that was the case > before I enabled v4 server too. > If it is practical, it would be interesting to see what effect killing off the cpu bound jobs has w.r.t. performance. rick