From owner-freebsd-performance@FreeBSD.ORG Tue Nov 20 21:56:52 2012 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 701D3B88 for ; Tue, 20 Nov 2012 21:56:52 +0000 (UTC) (envelope-from 000.fbsd@quip.cz) Received: from elsa.codelab.cz (elsa.codelab.cz [94.124.105.4]) by mx1.freebsd.org (Postfix) with ESMTP id 234708FC14 for ; Tue, 20 Nov 2012 21:56:51 +0000 (UTC) Received: from elsa.codelab.cz (localhost [127.0.0.1]) by elsa.codelab.cz (Postfix) with ESMTP id 6A2492842A; Tue, 20 Nov 2012 22:56:44 +0100 (CET) Received: from [192.168.1.2] (unknown [89.177.49.69]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by elsa.codelab.cz (Postfix) with ESMTPSA id 41F8128429; Tue, 20 Nov 2012 22:56:43 +0100 (CET) Message-ID: <50ABFC9A.80708@quip.cz> Date: Tue, 20 Nov 2012 22:56:42 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.9.1.19) Gecko/20110420 Lightning/1.0b1 SeaMonkey/2.0.14 MIME-Version: 1.0 To: Mike Jakubik Subject: Re: new DragonFly-3.2 scheduler and PostgreSQL comparision with FreeBSD 9.1-RC1 References: <507832E3.1050801@quip.cz> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-performance@freebsd.org X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Nov 2012 21:56:52 -0000 Mike Jakubik wrote: > On 2012-10-12 05:21 PM, Adrian Chadd wrote: >> On 12 October 2012 11:10, Miroslav Lachman <000.fbsd@quip.cz> wrote: >>> I don't like comparing Release Candidates without any details about >>> config, >>> but the fact that DF 3.2 is much better than DF 3.0 is interesting. >>> And they >>> are very close to performance of Scientific Linux 6.2. >> >> Hey cool! And FreeBSD-9.1 is on there and doing worse than Linux and >> Dragonfly BSD. I wonder why that is. >> >> Lemme cross post this a little to see what people think. >> >>> >>> http://lists.dragonflybsd.org/pipermail/users/2012-October/017536.html >>> >>> Graphs are available as PDF attachments >>> >>> >>> http://lists.dragonflybsd.org/pipermail/users/attachments/20121010/7996ff88/attachment-0002.pdf >>> >>> >>> http://lists.dragonflybsd.org/pipermail/users/attachments/20121010/7996ff88/attachment-0003.pdf >>> > > These numbers show very significant improvements. Any > possibility/interests in porting this scheduler to FreeBSD or this too > much work? I know many have and still complain about our current scheduler. Just for the record. There is Phoronix benchmark comparing DF 3.0.3, 3.2.1 and Ubuntu 12.10 showing that scheduler tweaks was good for pgbench, but not so significant for other tasks. http://www.phoronix.com/scan.php?page=article&item=dragonfly_linux_32 Miroslav Lachman