Date: Wed, 13 Aug 1997 16:09:20 -0700 From: Julian Elischer <julian@whistle.com> To: Paul Dekkers <psd@worldaccess.nl> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: FreeBSD is slower than Linux !? Message-ID: <33F23EA0.4487EB71@whistle.com> References: <Pine.LNX.3.96.970814003604.104A-100000@gromit.nev.ml.org>
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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. try: mount -u -o async [filesystem]
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