From owner-freebsd-fs@FreeBSD.ORG Wed Sep 15 11:59:51 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 6AC2D1065679; Wed, 15 Sep 2010 11:59:51 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 66A0B8FC18; Wed, 15 Sep 2010 11:59:50 +0000 (UTC) Received: from porto.topspin.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id OAA06910; Wed, 15 Sep 2010 14:59:48 +0300 (EEST) (envelope-from avg@freebsd.org) Received: from localhost.topspin.kiev.ua ([127.0.0.1]) by porto.topspin.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1OvqeR-0000RZ-Pa; Wed, 15 Sep 2010 14:59:47 +0300 Message-ID: <4C90B533.9030909@freebsd.org> Date: Wed, 15 Sep 2010 14:59:47 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.9) Gecko/20100912 Lightning/1.0b2 Thunderbird/3.1.3 MIME-Version: 1.0 To: Steven Hartland 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> <412E0DD28FEF4E25AB786C2B204D4BB5@multiplay.co.uk> In-Reply-To: <412E0DD28FEF4E25AB786C2B204D4BB5@multiplay.co.uk> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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 11:59:51 -0000 on 15/09/2010 14:56 Steven Hartland said the following: > Source data is in the files: sendfile-on-arcstats-idle.txt and > sendfile-off-arcstats-idle.txt Miscommunication :( I thought 'source data' was data on your source code, not source data for the graphs. Sorry about that. > 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. -- Andriy Gapon