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From: Richard Scobie <richard@sauce.co.nz>
To: "Keld Jørn Simonsen" <keld@dkuug.dk>
Cc: Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: Benchmarks: Linux Kernel RAID vs a Hardware RAID setup
Date: Wed, 16 Jul 2008 17:18:46 +1200	[thread overview]
Message-ID: <487D84B6.60908@sauce.co.nz> (raw)
In-Reply-To: <20080716042336.GB7148@rap.rap.dk>

Keld Jørn Simonsen wrote:

> My understanding tho, is that the IO output and input figures are on
> sequential IO. There are no figures on random IO,

If you look at some results Justin posted:

http://home.comcast.net/~jpiszcz/20080707/veliciraptors_with_x4.html

The column "Random Create" shows performance for randomly creating, 
reading and deleting 16384 files sized between 16bytes and 1MB 
distributed randomly through 64 directories (this is the -n parameter 
and is shown in the "Num Files" column.)

Regards,

Richard
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  reply	other threads:[~2008-07-16  5:18 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-15 14:06 Benchmarks: Linux Kernel RAID vs a Hardware RAID setup Ben Martin
2008-07-15 14:42 ` Justin Piszcz
2008-07-16  4:14   ` Ben Martin
2008-07-15 15:46 ` Michal Soltys
2008-07-15 20:34   ` Richard Scobie
2008-07-16  2:34     ` Mr. James W. Laferriere
2008-07-16  2:48       ` Richard Scobie
2008-07-16  2:52         ` Mr. James W. Laferriere
2008-07-16  4:17           ` Keld Jørn Simonsen
2008-07-16  5:50       ` Michal Soltys
2008-07-16  3:36   ` Ben Martin
2008-07-16  3:55     ` Richard Scobie
2008-07-16  7:00       ` Dan Williams
2008-07-16 17:08       ` thomas62186218
2008-07-16 19:34         ` Richard Scobie
2008-07-15 16:39 ` Keld Jørn Simonsen
2008-07-15 16:50   ` thomas62186218
2008-07-15 17:39     ` Keld Jørn Simonsen
2008-07-16  0:01       ` Richard Scobie
2008-07-16  0:20         ` Jon Nelson
2008-07-16  4:06           ` Ben Martin
2008-07-16 15:42           ` Ben Martin
2008-07-16  4:23         ` Keld Jørn Simonsen
2008-07-16  5:18           ` Richard Scobie [this message]
2008-07-16  8:17             ` Keld Jørn Simonsen
2008-07-15 17:06   ` Jon Nelson
2008-07-16  3:44     ` Ben Martin
2008-07-15 18:40   ` Brad Campbell
2008-07-15 20:12     ` Keld Jørn Simonsen
2008-07-21 16:55       ` Bill Davidsen
2008-07-23  7:45         ` Keld Jørn Simonsen
2008-07-23 10:29           ` Brad Campbell
     [not found]     ` <487CF499.6080105@harddata.com>
2008-07-15 20:15       ` Keld Jørn Simonsen
2008-07-16  3:58   ` Ben Martin
2008-07-16  4:47     ` Keld Jørn Simonsen
2008-07-21 16:58       ` Bill Davidsen
2008-07-15 19:41 ` Keld Jørn Simonsen
2008-07-16  3:25   ` Ben Martin
2008-07-15 20:40 ` Peter Grandi
2008-07-16  3:38 ` Eric Sandeen
2008-07-16 18:54 ` Alan D. Brunelle
2008-07-17  8:26   ` Ben Martin

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