Date: Sat, 21 Aug 1999 11:14:55 -0700 (PDT) From: Kris Kennaway <kris@hub.freebsd.org> To: Martin Dvorak <mdvorak@ninell.cz> Cc: freebsd-smp@freebsd.org Subject: Re: SMP poor? Message-ID: <Pine.BSF.4.10.9908211111550.86053-100000@hub.freebsd.org> In-Reply-To: <199908211420.JAA17618@db.geocrawler.com>
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On Sat, 21 Aug 1999, Geocrawler.com wrote: > Immediately after the installation of FreeBSD I noticed that the > system is much more slower than it was with RedHat. So I tried to > optimize the kernel, I tried to play with different configuration > parameters etc. but nothing... While on RedHat I was copying large > files in speed around 20MB/sec, now I am glad if I get to 5MB/sec. > Also, untarring 1.5 MB file takes about 40sec which is not what anyone > could expect mentioned hardware. Linux systems usually mount filesystems "async" by default, which is very dangerous if the system crashes. FreeBSD defaults to something slower, but safer - but you can mount your volumes async if you really want to. Also look at SoftUpdates which provides near-async speeds but without the danger factor. Check the mailing-lists for more info - it has come up many many times in the past. Kris To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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