Date: Tue, 23 Dec 1997 15:17:44 -0500 (EST) From: Evan Champion <evanc@synapse.net> To: Tom <tom@uniserve.com> Cc: freebsd-questions@freebsd.org Subject: Re: Improving NFS Performance Message-ID: <Pine.BSF.3.96.971223151414.24258A-100000@piano.synapse.net> In-Reply-To: <Pine.BSF.3.96.971223120247.16399C-100000@shell.uniserve.com>
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On Tue, 23 Dec 1997, Tom wrote: > For NFSv2, were you using udp or tcp mounts? In both cases, I was using udp. My options were: rw,soft,intr,bg > - Poor options for nfsv2 > - Bad interaction with network card. NFS udp can overrun some cards too > easily, meaning the card is always dropping packets. I belive tcp mounts > will back off better. It made absolutely no difference whether or not I used tcp mounts. I was using identical options, with the exception that for NFS version 2 I specified 'nfsv2'. I tried using the small blocksize (rsize/wsize=1024), and it didn't help nfsv3 at all. So how is it that if both are running UDP with identical options, that nfsv2 is about 100 times faster than nfsv3 on my net? :-) Evan
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