Date: Wed, 13 Aug 1997 18:47:05 -0500 (CDT) From: "Jay D. Nelson" <jdn@qiv.com> To: Paul Dekkers <psd@worldaccess.nl> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: FreeBSD is slower than Linux !? Message-ID: <Pine.BSF.3.96.970813184359.1207A-100000@acp.qiv.com> In-Reply-To: <Pine.LNX.3.96.970814003604.104A-100000@gromit.nev.ml.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Hmm... It might be revealing if you tried all of that with a couple of compiles and a tar of /usr running simultaneously. Final combined times may be more revealing. -- Jay On Thu, 14 Aug 1997, Paul Dekkers wrote: >Hi > >I did some speed tests and I'd like to hear some reaction about this. > > Linux FreeBSD >dd 2.61 4.95 dd if=/dev/zero of=/test bs=1024 count=5000 >gzip 12.50 11.01 gzip -9 test >gunzip 3.86 8.12 >sync 4.21 0.9 -> So it seems FreeBSD writes everything to > disk directly?! WHY? This makes FreeBSD > much slower! >unzips 4.45 41.92 decompress the sendmail distr >compil 353.79 371.87 compile sendmail (makesendmail) > >Yes, I used the same (slow) disk on my i486 >But I was really surprised discovering that FreeBSD is much slower in disk >access than Linux, so why is the filesystem called FFS (fast-filesystem?!) >;-) > >But, my main question -> I think FreeBSD is that slow because it writes >everything to disk directly, without a good cache. Why is this like it is? >This does not make FreeBSD very attractive for me to use as a fileserver >(nfs or samba) or e.g. a mail server. > >-= Paul =- > -- Jay
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.96.970813184359.1207A-100000>