Date: Wed, 15 Sep 2010 14:59:47 +0300 From: Andriy Gapon <avg@freebsd.org> To: Steven Hartland <killing@multiplay.co.uk> Cc: freebsd-fs@freebsd.org, jhell <jhell@DataIX.net>, Pawel Jakub Dawidek <pjd@freebsd.org> Subject: Re: zfs very poor performance compared to ufs due to lack of cache? Message-ID: <4C90B533.9030909@freebsd.org> In-Reply-To: <412E0DD28FEF4E25AB786C2B204D4BB5@multiplay.co.uk> References: <5DB6E7C798E44D33A05673F4B773405E@multiplay.co.uk><AANLkTikNhsj5myhQCoPaNytUbpHtox1vg9AZm1N-OcMO@mail.gmail.com><4C85E91E.1010602@icyb.net.ua><4C873914.40404@freebsd.org><20100908084855.GF2465@deviant.kiev.zoral.com.ua><4C874F00.3050605@freebsd.org><A6D7E134B24F42E395C30A375A6B50AF@multiplay.co.uk><4C8D087B.5040404@freebsd.org><03537796FAB54E02959E2D64FC83004F@multiplay.co.uk><4C8D280F.3040803@freebsd.org><3FBF66BF11AA4CBBA6124CA435A4A31B@multiplay.co.uk><4C8E4212.30000@freebsd.org> <B98EBECBD399417CA5390C20627384B1@multiplay.co.uk> <D79F15FEB5794315BD8668E40B414BF0@multiplay.co.uk> <4C90A92F.2090303@freebsd.org> <412E0DD28FEF4E25AB786C2B204D4BB5@multiplay.co.uk>
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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
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