Date: Thu, 18 May 2006 01:37:47 +0200 From: Albert Shih <shih@math.jussieu.fr> To: Charles Swiger <cswiger@mac.com> Cc: shih@math.jussieu.fr, freebsd-questions@freebsd.org Subject: Re: Fast du Message-ID: <20060517233747.GB17856@math.jussieu.fr> In-Reply-To: <F71BE17E-385E-44FF-96F5-93112CBB430E@mac.com> References: <20060517213512.GE10915@math.jussieu.fr> <F71BE17E-385E-44FF-96F5-93112CBB430E@mac.com>
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Le 17/05/2006 à 18:17:54-0400, Charles Swiger a écrit > On May 17, 2006, at 5:35 PM, Albert Shih wrote: > >I search some technics/command/anything can make very fast «du» > >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 > on that...? What ? I don't understand. I must do many time a «du» on a 2 To filesystem... I think it's pretty hard to do that on ram. > > Otherwise, if you have to do the work against stuff on a hard drive, > try to do single-threaded I/O while doing these du's to avoid > thrashing the drive heads around more than needed. OK...and how can I do that ? Maybe some documentation ? Lots of thanks. Regards. -- Albert SHIH Universite de Paris 7 (Denis DIDEROT) U.F.R. de Mathematiques. 7 ième étage, plateau D, bureau 10 Heure local/Local time: Thu May 18 01:36:02 CEST 2006
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