*BSD News Article 61602


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From: bl03@uwrf.edu (BENJAMIN A LINDSTROM)
Newsgroups: comp.unix.bsd.freebsd.misc,comp.os.linux.development.system
Subject: Re: The better (more suitable)Unix?? FreeBSD or Linux
Followup-To: comp.unix.bsd.freebsd.misc,comp.os.linux.development.system
Date: 8 Feb 1996 16:37:32 GMT
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References: <4er9hp$5ng@orb.direct.ca> <311250C2.2781E494@public.uni-hamburg.de> <strenDM7Gr4.Cn2@netcom.com> <DMD8rr.oIB@isil.lloke.dna.fi> <4f9skh$2og@dyson.iquest.net>
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Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:13930 comp.os.linux.development.system:17522

John S. Dyson (root@dyson.iquest.net) wrote:
: In article <DMD8rr.oIB@isil.lloke.dna.fi>,
: Riku Saikkonen <rjs@spider.compart.fi> wrote:
: >...
: >>about becuase some scripts I cooked up to thread a www archive of a 
: >>couple of newsgroups takes an hour to make an index with about 1700 articles.
: >
: FreeBSD is sensitive to the order in which you do the stat.  Those problems
: are being worked.  You'll quickly see which one performs the best when
: the systems are under heavy load.
: 
: >
: >So it might be more the program you're using (unless you use enough memory
: >to swap the thing out). Mine is a single C program of about 800 lines...
: >
: Yep, FreeBSD is sensitive to that.
: 
: >
: >There's one thing I've been wondering about... From what I've seen, FreeBSD
: >seems to default to fscking the drive every night, while Linux defaults to
: >every 15th (? something like that) reboot. However, in my two years of
: >running Linux, I've never found a filesystem error except for the few times
: >when I rebooted non-cleanly. Is the FreeBSD filesystem more prone to errors
: >or are the distribution-makers just more paranoid?
: >
: Linux is more vulnerable to filesystem problems due to the delayed writes
: of metadata (and is the reason that FreeBSD is slower on file
: create/delete benchmarks.)  We added an async option to our FSes to make
: the system perform much faster, but with similar risk as Linux has.  The
: fsck's at night are a *mistake* and should be removed.
: 
The vulnerablity must be in tolerable range.  I've yet to lost information
with  Linux, except on a "known" unstable harddrive (It was something we
used in one of our machines, and tiptoped around it...OS changes would
not have made a different)