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From: Andrew Morton <akpm@zip.com.au>
To: mgross@unix-os.sc.intel.com
Cc: 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
Date: Wed, 19 Jun 2002 18:55:27 -0700	[thread overview]
Message-ID: <3D11360F.4EA4807D@zip.com.au> (raw)
In-Reply-To: 200206200022.g5K0MKP27994@unix-os.sc.intel.com

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

-

  parent reply	other threads:[~2002-06-20  1:50 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-06-19 21:29 ext3 performance bottleneck as the number of spindles gets large mgross
2002-06-20  0:54 ` Andrew Morton
2002-06-20  4:09   ` [Lse-tech] " Dave Hansen
2002-06-20  6:03     ` Andreas Dilger
2002-06-20  6:53       ` Andrew Morton
2002-06-20  9:54   ` Stephen C. Tweedie
2002-06-20  1:55 ` Andrew Morton [this message]
2002-06-20  6:05   ` Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2002-06-20 15:26 ext3 performance bottleneck as the number of spindles gets la rge Griffiths, Richard A
2002-06-20 20:18 ` ext3 performance bottleneck as the number of spindles gets large Andrew Morton
2002-06-20 18:08   ` mgross
2002-06-20 21:25     ` Andrew Morton
2002-06-20 21:50 ext3 performance bottleneck as the number of spindles gets la rge Griffiths, Richard A
2002-06-21  7:58 ` ext3 performance bottleneck as the number of spindles gets large Andrew Morton
2002-06-21 18:46   ` mgross
2002-06-21 19:26     ` Chris Mason
2002-06-21 19:56     ` Andrew Morton
2002-06-23  4:02 ` Christopher E. Brown
2002-06-23  4:33   ` Andreas Dilger
2002-06-23  6:00     ` Christopher E. Brown

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