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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!spool.mu.edu!howland.erols.net!rill.news.pipex.net!pipex!dispatch.news.demon.net!demon!cuillin.demon.co.uk!cuillin.org.uk!usenet From: Guy Dawson <guy@cuillin.org.uk> Newsgroups: comp.os.linux.misc,comp.os.linux.networking,comp.os.linux.setup,comp.unix.bsd.bsdi.misc,comp.unix.bsd.misc Subject: Re: User-space file systems. (Re: Linux vs BSD) Date: Mon, 17 Feb 1997 07:18:14 +0000 Organization: Cuillin Message-ID: <33080636.41C67EA6@cuillin.org.uk> References: <32DFFEAB.7704@usa.net> <5l20akqffh.fsf@tequila.systemsz.cs.yale.edu> <87sp2z8562.fsf@elanor.acs.ohio-state.edu> <5e5lga$lg6@web.nmti.com> <5e6qd5$ivq@cynic.portal.ca> NNTP-Posting-Host: dearg.cuillin.org.uk X-NNTP-Posting-Host: cuillin.demon.co.uk Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01Gold (X11; I; BSD/OS 2.0 i386) Lines: 21 Xref: euryale.cc.adfa.oz.au comp.os.linux.misc:158982 comp.os.linux.networking:68724 comp.os.linux.setup:97798 comp.unix.bsd.bsdi.misc:6023 comp.unix.bsd.misc:2530 Curt Sampson wrote: > > In article <5e5lga$lg6@web.nmti.com>, Peter da Silva <peter@nmti.com> wrote: > > >By the way, this discussion *has* convinced me that my original assumption > >that implementing a network file system in user mode would not be horribly > >inefficient is correct. > > It hasn't convinced me. I am convinced that implementing a user-mode > NFS on Pentium-class machines is going to be fine on a 10 Mbps > network, but I didn't need this discussion to convince me of that. While you may well be able to saturate a 10Mpbs ethernet with a user mode nfsd, you'll also go a long way to saturating the CPU. It's the extra CPU load that makes the thing so expensive. Guy -- --------------------------------------------------------------------- Guy Dawson @ SMTP - guy@cuillin.org.uk // ICBM - 6.15.16W 57.12.23N 986M 4.4>5.4 4.4>5.4 4.4>5.4 The Reality Check's in the Post! 4.4>5.4 4.4>5.4