linux-kernel - Re: Linux I/O subsystem performance

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Date:	Tue, 24 Aug 2010 21:51:38 +0400
From:	Vladislav Bolkhovitin <vst@...b.net>
To:	Matthew Wilcox <matthew@....cx>
CC:	Pasi K?rkk?inen <pasik@....fi>, Chetan Loke <chetanloke@...il.com>,
	Bart Van Assche <bvanassche@....org>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	James Bottomley <James.Bottomley@...e.de>,
	scst-devel <scst-devel@...ts.sourceforge.net>
Subject: Re: Linux I/O subsystem performance

Matthew Wilcox, on 08/24/2010 06:55 PM wrote:
> On Tue, Aug 24, 2010 at 06:43:29PM +0400, Vladislav Bolkhovitin wrote:
>> Also it looks very suspicious why nobody even tried to match that
>> Microsoft/Intel record, even Intel itself who closely works with Linux
>> community in the storage area and could do it using the same hardware.
>
> You seem to be under the impression that "Intel" is some monolithic
> entity.  Despite working with six different storage&  performance
> groups within Intel, I have no idea what record you're referring to,
> nor what hardware it was accomplished with.

It is 
http://communities.intel.com/community/wired/blog/2010/04/22/1-million-iops-how-about-125-million

> Even if I did, I wouldn't
> know which group within Intel to contact to see if they still have
> the setup.  Then I'd have to convince them that it's in their interest
> to try to replicate this on Linux.  And I'd have to be prepared to sink
> a considerable quantity of my time into it ... which I don't have.

Sorry if it looked like I was blaming you. I just was wondering why 
Intel developed Linux drivers for those network adapters and isn't 
interested to similarly demonstrate their performance on Linux.

Vlad
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