Date: Wed, 15 Sep 2010 12:56:08 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Andriy Gapon" <avg@freebsd.org> 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: <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>
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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" <avg@freebsd.org>
To: "Steven Hartland" <killing@multiplay.co.uk>
Cc: <freebsd-fs@freebsd.org>; "Pawel Jakub Dawidek" <pjd@freebsd.org>; "jhell" <jhell@DataIX.net>
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
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