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From: Michael Monnerie <michael.monnerie@is.it-management.at>
To: xfs@oss.sgi.com
Subject: Re: [PATCH] xfs_repair: multithread phase 2
Date: Mon, 10 Jan 2011 08:57:52 +0100	[thread overview]
Message-ID: <201101100857.53421@zmi.at> (raw)
In-Reply-To: <1294620248-17098-1-git-send-email-david@fromorbit.com>


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On Montag, 10. Januar 2011 Dave Chinner wrote:
> This patch uses 32-way threading which results in no noticable
> slowdown on single SATA drives with NCQ, but results in ~10x
> reduction in runtime on a 12 disk RAID-0 array.

Is the fixed 32-way number reasonable, or shouldn't that be "number of 
available cpu cores"-way? Why threading when you have a single core cpu?

-- 
mit freundlichen Grüssen,
Michael Monnerie, Ing. BSc

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  reply	other threads:[~2011-01-10  7:55 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-10  0:44 [PATCH] xfs_repair: multithread phase 2 Dave Chinner
2011-01-10  7:57 ` Michael Monnerie [this message]
2011-01-10  8:41   ` Dave Chinner
2011-01-10 13:25     ` Michael Monnerie
2011-01-10 19:18       ` Christoph Hellwig
2011-01-10 19:17     ` Christoph Hellwig
2011-01-10 21:53       ` Matthias Schniedermeyer
2011-01-10 18:55 ` Christoph Hellwig
2011-02-01 23:39 ` Alex Elder
  -- strict thread matches above, loose matches on Subject: below --
2011-01-04  6:13 Dave Chinner
2011-01-04 10:02 ` Christoph Hellwig
2011-01-04 12:00   ` Dave Chinner
2011-01-05 23:42 ` Alex Elder

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