linux-kernel - Re: dm-ioband: Test results.

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Date:	Mon, 13 Apr 2009 10:46:26 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Ryo Tsuruta <vivek.goyal2008@...il.com>
Cc:	agk@...hat.com, dm-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: dm-ioband: Test results.

On Mon, Apr 13, 2009 at 01:05:52PM +0900, Ryo Tsuruta wrote:
> Hi Alasdair and all,
> 
> I did more tests on dm-ioband and I've posted the test items and
> results on my website. The results are very good.
> http://people.valinux.co.jp/~ryov/dm-ioband/test/test-items.xls
> 

Hi Ryo,

I quickly looked at the xls sheet. Most of the test cases seem to be
direct IO. Have you done testing with buffered writes/async writes and
been able to provide service differentiation between cgroups?

For example, two "dd" threads running in two cgroups doing writes.

Thanks
Vivek
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