linux-kernel - Re: Ext3 vs NTFS performance

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Message-ID: <463F3847.1000300@cfl.rr.com>
Date:	Mon, 07 May 2007 10:31:35 -0400
From:	Phillip Susi <psusi@....rr.com>
To:	"Cabot, Mason B" <mason.b.cabot@...el.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Ext3 vs NTFS performance

Cabot, Mason B wrote:
> Philip:
> 
> the best response I can offer is that we have traced the application's
> file system accesses and seen no such one-byte writes occuring at that
> level. They are generated somewhere below the application. Additionally,
> while we have observed iTunes on Windows issuing these one-byte writes,
> ethereal traces for iTunes on Mac OSX show no such behavior. Because of
> these observations I think it is reasonable to conclude that the Windows
> CIFS client is generating the one-byte writes.

Can you duplicate this behavior with a very simple test program, rather 
than iTunes?  Will something as simple as open() and write() with a 32 
KB buffer of random data in a loop cause this behavior?

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