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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!metro!metro!munnari.OZ.AU!news.ecn.uoknor.edu!news.wildstar.net!newsfeed.direct.ca!news.maxwell.syr.edu!cyclic.gsl.net!news.gsl.net!news-paris.gsl.net!news.gsl.net!news.kolumbus.fi!news.funet.fi!news.cs.hut.fi!news.clinet.fi!not-for-mail From: mickey@cantina.clinet.fi (Mika Ruohotie) Newsgroups: comp.unix.bsd.freebsd.misc,comp.unix.bsd.bsdi.misc,comp.sys.sgi.misc Subject: Re: no such thing as a "general user community" Date: 20 Mar 1997 14:26:48 GMT Organization: Clinet, Espoo, Finland Lines: 34 Message-ID: <5grhf8$7d6$1@news.clinet.fi> References: <331BB7DD.28EC@net5.net> <5gn3ig$83d@flea.best.net> <5goqrq$5ak$1@news.clinet.fi> <5gpcf9$767@flea.best.net> NNTP-Posting-Host: cantina.clinet.fi NNTP-Posting-User: mickey Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:37554 comp.unix.bsd.bsdi.misc:6430 comp.sys.sgi.misc:29367 Matt Dillon <dillon@flea.best.net> wrote: >:Mika Ruohotie <mickey@cantina.clinet.fi> wrote: >:>compare those two, xfs were, last time i heard, able to overperform ufs. > XFs's claim to fame is: > * hashed directory lookups, making namei() on large directories more > efficient (but only on large directories). what's the difference if one runs the ffs async,noatime? atleast i noticed that even on eide it makes it faster and causes less noise... > * log file system .. fast startup after a crash verses the fsck you > have to do with ffs. So if your SGI box crashes a lot :-) ... just hehe... how hard something like that is to implement? i assume it's hard, is it truly usefull? > * Ability to expand the size of an xfs filesystem partition via lfs > without having to dump/restore. A useful feature. what's the lfs status on freebsd? > The file creation/deletion/access rate is about the same. However, > BSD's namei() and general filesystem buffer cache implementation is a > whole lot better then SGI's, as are BSD's (4.4's) kernel locking > mechanisms. cool... now we just need someone who ports freebsd to run on sgi hardware, that'd be nice thing to have... the r10000 cpus have potential and the architechture generally seems rather efficient. busses are wide and stuff... > -Matt mickey