From: Andreas Dilger <adilger@clusterfs.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: dean gaudet <dean-list-linux-kernel@arctic.org>,
linux-kernel@vger.kernel.org
Subject: Re: 3x slower file reading oddity
Date: Mon, 17 Jun 2002 19:45:13 -0600 [thread overview]
Message-ID: <20020618014513.GK22427@clusterfs.com> (raw)
In-Reply-To: <3D0E807C.5D50C17E@zip.com.au>
On Jun 17, 2002 17:36 -0700, Andrew Morton wrote:
> You can probably lessen the seek-rate by accessing the files in the correct
> order. Read all the files from a directory before descending into any of
> its subdirectories. Can find(1) do that? You should be able to pretty
> much achieve disk bandwidth this way - it depends on how bad the inter-
> and intra-file fragmentation has become.
Just FYI - "find -depth" will do that, from find(1):
-depth Process each directory's contents before the directory itself.
Cheers, Andreas
--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/
next prev parent reply other threads:[~2002-06-18 1:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-17 20:03 3x slower file reading oddity dean gaudet
2002-06-17 20:07 ` Benjamin LaHaise
2002-06-17 20:31 ` dean gaudet
2002-06-17 23:26 ` Andrew Morton
2002-06-18 0:15 ` dean gaudet
2002-06-18 0:36 ` Andrew Morton
2002-06-18 1:40 ` dean gaudet
2002-06-18 1:45 ` Andreas Dilger [this message]
2002-06-18 2:08 ` dean gaudet
2002-06-18 10:45 ` Padraig Brady
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