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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.Hawaii.Edu!news.uoregon.edu!arclight.uoregon.edu!super.zippo.com!zdc!szdc!szdc-e!news From: "John S. Dyson" <dyson@freebsd.org> Newsgroups: comp.os.linux.development.system,comp.unix.bsd.freebsd.misc Subject: Re: Linux vs FreeBSD disk io performance Date: Sat, 19 Oct 1996 02:53:34 -0500 Organization: John S. Dyson's home machine Lines: 23 Message-ID: <326888FE.41C67EA6@freebsd.org> References: <86g23ey1uc.fsf@romulus.ihosteng.priv.no> <54700v$npq@linux.cs.Helsinki.FI> <DzHGFn.1IH@cogsci.ed.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01b1 (X11; I; FreeBSD 2.2-CURRENT i386) Xref: euryale.cc.adfa.oz.au comp.os.linux.development.system:33736 comp.unix.bsd.freebsd.misc:29581 Richard Tobin wrote: > > In article <54700v$npq@linux.cs.Helsinki.FI> torvalds@linux.cs.Helsinki.FI (Linus Torvalds) writes: > >>The df command takes about 2-6 seconds to complete > > >Umm. "df" under Linux is GNU df, and does a "sync" before actually > >reading the disk usage numbers. > > >Oh, there are differences between Linux and other systems, and > > you may > >have hit on something that could be nicer. But posting this as > > flamebait > >is kind of silly, > > Anyway, Linux is hardly alone in this. We have a news server here > running SunOS, and df often takes a minute or more for the same > reason. > I know about the SVR4/SunOS problem. That is the reason that we avoided the problem. John dyson@FreeBSD.org -- BSD with a heart