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Date: Thu, 20 Jun 2002 08:05:08 +0200
From: Jens Axboe <axboe@suse.de>
To: Andrew Morton <akpm@zip.com.au>
Cc: mgross@unix-os.sc.intel.com,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       lse-tech@lists.sourceforge.net, richard.a.griffiths@intel.com
Subject: Re: ext3 performance bottleneck as the number of spindles gets large
Message-ID: <20020620060508.GL812@suse.de>
References: <200206200022.g5K0MKP27994@unix-os.sc.intel.com> <3D11360F.4EA4807D@zip.com.au>
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On Wed, Jun 19 2002, Andrew Morton wrote:
> mgross wrote:
> > 
> > We've been doing some throughput comparisons and benchmarks of block I/O
> > throughput for 8KB writes as the number of SCSI addapters and drives per
> > adapter is increased.
> > 
> > The Linux platform is a dual processor 1.2GHz PIII, 2Gig or RAM, 2U box.
> > Similar results have been seen with both 2.4.16 and 2.4.18 base kernel, as
> > well as one of those patched up O(1) 2.4.18 kernels out there.
> 
> umm.  Are you not using block-highmem?  That is a must-have.
> 
> http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.19pre9aa2/00_block-highmem-all-18b-12.gz

please use

http://www.kernel.org/pub/linux/kernel/people/axboe/patches/v2.4/2.4.19-pre10/block-highmem-all-19.bz2

-- 
Jens Axboe

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