*BSD News Article 89830


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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: Fri, 21 Feb 1997 19:26:53 +0000
Organization: Cuillin
Message-ID: <330DF6FD.41C67EA6@cuillin.org.uk>
References: <32DFFEAB.7704@usa.net> <87sp2z8562.fsf@elanor.acs.ohio-state.edu> <5e5lga$lg6@web.nmti.com> <5e6qd5$ivq@cynic.portal.ca> <5ea4g4$r6e@web.nmti.com>
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Peter da Silva wrote:

> Since a user-mode application on a 68020 can saturate a 10 Mbps ethernet
> (observed behaviour) I didn't originally believe that the user-mode NFS
> server on Linux was a bottleneck...

User mode is fine IFF you don't mind using the extra CPU resource. On
a multi-tasking box, a user mode nfsd will be competing with other
programs for the CPU (and net etc).

Is efficient programming a good thing?

Guy
-- ---------------------------------------------------------------------
Guy Dawson @ SMTP - guy@cuillin.org.uk // ICBM - 6.15.16W 57.12.23N 986M
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