From owner-freebsd-fs@FreeBSD.ORG Wed Sep 15 11:56:19 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 250401065670; Wed, 15 Sep 2010 11:56:19 +0000 (UTC) (envelope-from prvs=1874f602db=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 661BC8FC12; Wed, 15 Sep 2010 11:56:18 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Wed, 15 Sep 2010 12:56:13 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Wed, 15 Sep 2010 12:56:12 +0100 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 by mail1.multiplay.co.uk (MDaemon PRO v10.0.4) with ESMTP id md50011248317.msg; Wed, 15 Sep 2010 12:56:12 +0100 X-Authenticated-Sender: Killing@multiplay.co.uk X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=1874f602db=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <412E0DD28FEF4E25AB786C2B204D4BB5@multiplay.co.uk> From: "Steven Hartland" To: "Andriy Gapon" References: <5DB6E7C798E44D33A05673F4B773405E@multiplay.co.uk><4C85E91E.1010602@icyb.net.ua><4C873914.40404@freebsd.org><20100908084855.GF2465@deviant.kiev.zoral.com.ua><4C874F00.3050605@freebsd.org><4C8D087B.5040404@freebsd.org><03537796FAB54E02959E2D64FC83004F@multiplay.co.uk><4C8D280F.3040803@freebsd.org><3FBF66BF11AA4CBBA6124CA435A4A31B@multiplay.co.uk><4C8E4212.30000@freebsd.org> <4C90A92F.2090303@freebsd.org> Date: Wed, 15 Sep 2010 12:56:08 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="utf-8"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 Cc: freebsd-fs@freebsd.org, jhell , Pawel Jakub Dawidek Subject: Re: zfs very poor performance compared to ufs due to lack of cache? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Sep 2010 11:56:19 -0000 Source data is in the files: sendfile-on-arcstats-idle.txt and sendfile-off-arcstats-idle.txt For reference:- start = results just after boot inprog = snap shot while test is running stop = results just after new requests where disabled idle = test has finished and connections have had chance to finish and the machine return to an idle state. Regards Steve ----- Original Message ----- From: "Andriy Gapon" To: "Steven Hartland" Cc: ; "Pawel Jakub Dawidek" ; "jhell" Sent: Wednesday, September 15, 2010 12:08 PM Subject: Re: zfs very poor performance compared to ufs due to lack of cache? > on 15/09/2010 13:32 Steven Hartland said the following: >> The source data, xls's and exported graphs can be found here:- > > I don't see source data in the archive. > >> http://www.multiplaygameservers.com/dropzone/zfs-sendfile-results.zip ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.