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Date:      Sat, 26 Nov 2005 21:49:09 -0500
From:      Chuck Swiger <cswiger@mac.com>
To:        mse_software@charter.net
Cc:        freebsd-stable@freebsd.org
Subject:   Re: NFS network load on 5.4-STABLE
Message-ID:  <43891EA5.2020206@mac.com>
In-Reply-To: <1132964757.831.20.camel@yak.mseubanks.net>
References:  <1132964757.831.20.camel@yak.mseubanks.net>

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Mike Eubanks wrote:
> As soon as I mount my NFS file systems, the network load increases to a
> constant 80%-90% of network bandwidth, even when the file systems are
> not in use.  NFS stats on the client machine (nfsstat -c) produce the
> following:
[ ... ]
> Fsstat and Requests are increasing very rapidly.  Both the client and
> server are i386 5.4-STABLE machines.  Is this behaviour normal?

Sort of.  Some fancy parts of X like file-manager/exporer applications tend to 
call fstat() a lot, but it's probably tunable, and if you enable NFS attribute 
caching that will help a lot.  "ls /afs", if available, is a wonderful test of 
whether a program/file-manager is being polite.

Anyway, "top -mio" is likely to be informative.

-- 
-Chuck




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