Date: Tue, 30 Apr 2002 16:52:20 +0000 From: Baldur Gislason <baldur@foo.is> To: Eugene Grosbein <eugen@D00015.dialonly.kemerovo.su> Cc: stable@freebsd.org Subject: Re: msdosfs serious performance problem with recent 4.5-STABLE Message-ID: <20020430165329.E80282784@tesla.foo.is> In-Reply-To: <20020501001235.A792@grosbein.pp.ru> References: <20020501001235.A792@grosbein.pp.ru>
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Well, first of all FAT is a VERY slow filesystem, it's fastest when it's clean, but gets fragmented very quickly. Still you should be able to get a bit higher speed. I'm not sure there are msdosfs defragmenting utilities for UNIX. Baldur On Tuesday 30 April 2002 16:12, you wrote: > Hi! > > What's a reason of very slow writing to msdosfs (FAT32)? > I get no more than 350Kb/s with recent 4.5-STABLE. > Writing process spend much time in 'wdrain' state. > 5.0-DP1 gives me 2Mb/s and more on the same machine. > > If I try to copy from one msdosfs to another msdosfs > (both reside on the same drive) I get less than 160Kb/s. > > Eugene Grosbein > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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