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Date: Tue, 15 Apr 2003 14:06:24 -0700
From: William Lee Irwin III <wli@holomorphy.com>
To: Badari Pulavarty <pbadari@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@digeo.com>
Subject: Re: 2.5.66-mm3 -  bad ext2 performance ?
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	Badari Pulavarty <pbadari@us.ibm.com>, linux-kernel@vger.kernel.org,
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On Tue, Apr 15, 2003 at 02:00:05PM -0700, Badari Pulavarty wrote:
> This is kind of extreem. But  I have 1070 LUNS and I mkfs/mounted (ext2) all
> these and running "fsx" on all of them. 
> I see very bad IO rate on the machine.  fsx with O_DIRECT seems to be
> doing okay. Any ideas on why regular filesystem (buffered) IO sucks ?
> I dont' see even cache increasing ..

Can we get a "before" profile on the same machine to compare against?


-- wli