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Date:      Thu, 28 Oct 1999 16:00:49 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        mjacob@feral.com
Cc:        Matthew Dillon <dillon@apollo.backplane.com>, freebsd-current@FreeBSD.ORG
Subject:   Re: really draggy NFS access in -current?
Message-ID:  <14360.43601.640725.402212@grasshopper.cs.duke.edu>
In-Reply-To: <Pine.BSF.4.05.9910281107290.32541-100000@semuta.feral.com>
References:  <199910281804.LAA05133@apollo.backplane.com> <Pine.BSF.4.05.9910281107290.32541-100000@semuta.feral.com>

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Matthew Jacob writes:
 > 
 > Hmm. Could be. That's a good thing to try. The connection is a Full Duplex
 > 100BaseT to a 3com switch (both alpha/freebsd && Solaris) so what you
 > suggest Just Didn't Occur To Me (tm). Thanks....
 > 

Is this a UDP or TCP mount?

I've seen very strange things with TCP mounts of Solaris 2.7 servers
with i386 clients running recent -currents.  Things start out just
fine (3-4MB/sec), then after some period of time (a day or 2
generally), the performance degrades down to a few KB/sec.

I didn't really have time to look into it properly, so I just switched
all my mounts over to udp & the problem just went away.

Drew

------------------------------------------------------------------------------
Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
Duke University				Email: gallatin@cs.duke.edu
Department of Computer Science		Phone: (919) 660-6590




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