*BSD News Article 81295


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From: Ingo Molnar <mingo@pc5829.hil.siemens.at>
Newsgroups: comp.os.linux.development.system,comp.unix.bsd.freebsd.misc
Subject: Re: Linux vs FreeBSD disk io performance
Date: 19 Oct 1996 11:02:28 GMT
Organization: Siemens AG Austria
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Message-ID: <54acg4$ojq@zwei.siemens.at>
References: <86g23ey1uc.fsf@romulus.ihosteng.priv.no> <Pine.LNX.3.95.961019033204.29108V-100000@yoda.fdt.net>
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In comp.os.linux.development.system Fu Bar <fubar@gnv.fdt.net> wrote:
: On 16 Oct 1996, Ivar Hosteng wrote:

: > I have been using Linux for 1 1/2 years now. I am using my system as a
: > news server and a mailserver for a small network. When the news is
: > beeing expired I can notice a clearly drop in disk performance. The df
: > command takes about 2-6 seconds to complete and logging in also has

: This is because the df you are using on linux was likely compiled with the
: sync option...where it does a sync before reporting on space.  Get the
: source, and recompile, and df will be speedy no matter what your system is
: doing.  

or put this into /etc/profile:

 alias df='df --no-sync'

-- mingo