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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!super.zippo.com!zdc-e!EU.net!news.mathworks.com!tank.news.pipex.net!pipex!dish.news.pipex.net!pipex!halon.vggas.com!news From: JYoungman@vggas.com (James Youngman) Newsgroups: comp.os.linux.development.system,comp.unix.bsd.freebsd.misc Subject: Re: Linux vs FreeBSD disk io performance Date: 17 Oct 1996 13:49:53 GMT Organization: VG Gas Analysis Systems Lines: 19 Message-ID: <545di1$tvd@halon.vggas.com> References: <86g23ey1uc.fsf@romulus.ihosteng.priv.no> NNTP-Posting-Host: uriel.vggas.com Mime-Version: 1.0 Content-Type: Text/Plain; charset=US-ASCII X-Newsreader: WinVN 0.99.7 Xref: euryale.cc.adfa.oz.au comp.os.linux.development.system:33686 comp.unix.bsd.freebsd.misc:29494 In article <86g23ey1uc.fsf@romulus.ihosteng.priv.no>, ivarh@romulus.ihosteng.priv.no says... > >To see this you who have both operating systems installed can start >the command: dd if=/dev/<root partition> of=/dev/null bs=409600& >4 times a minute apart. After doing this try the df command or a ls -l >on both systems. On the FreeBSD system I barly notice that something >is going on. The linux systems feals realy clumsy. This is on the same >machine. > >Can someone explain this different behaviour? Under linux, df does a sync(). -- James Youngman VG Gas Analysis Systems |The trouble with the rat-race Before sending advertising material, read |is, even if you win, you're http://www.law.cornell.edu/uscode/47/227.html|still a rat.