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Date:	Fri, 13 Apr 2012 15:33:56 -0400
From:	Ted Ts'o <>
To:	Tim Chen <>
Cc:	Linus Torvalds <>,
	Andi Kleen <>,
	Vivek Haldar <>,
	Andreas Dilger <>,
Subject: Re: [RFC, PATCH] Avoid hot statistics cache line in ext4 extent

On Fri, Apr 13, 2012 at 12:26:53PM -0700, Tim Chen wrote:
> The files are sparse files.  So the amount of IO is limited and we are
> not IO constrained.  

... OK, and exactly how sparse are these files?  Can you say something
about the relatistic use case this workload is supposed to represent?
Or is this more of an artificial/micro benchmark?

					- Ted
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