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In-Reply-To: <20060517213512.GE10915@math.jussieu.fr>
References: <20060517213512.GE10915@math.jussieu.fr>
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From: Charles Swiger <cswiger@mac.com>
Date: Wed, 17 May 2006 18:17:54 -0400
To: shih@math.jussieu.fr
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Cc: freebsd-questions@freebsd.org
Subject: Re: Fast du
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On May 17, 2006, at 5:35 PM, Albert Shih wrote:
> I search some technics/command/anything can make very fast =ABdu=BB =20=

> especialy
> when in the file system there are lot of lot of hard-link.

Set up a swap-based RAM disk and run your du commands against files =20
on that...?

Otherwise, if you have to do the work against stuff on a hard drive, =20
try to do single-threaded I/O while doing these du's to avoid =20
thrashing the drive heads around more than needed.

--=20
-Chuck