From owner-freebsd-net@FreeBSD.ORG  Sat Oct 13 01:29:09 2007
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Date: Fri, 12 Oct 2007 21:29:07 -0400
From: Jim Rees <rees@freebsd.org>
To: Kris Kennaway <kris@FreeBSD.org>
Message-ID: <20071013012907.GA11606@citi.umich.edu>
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Cc: freebsd-net@FreeBSD.org, Mohan Srinivasan <mohans@FreeBSD.org>
Subject: Re: cvs commit: src/sys/nfsclient nfs.h nfs_socket.c nfs_subs.c
	nfsmount.h
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Kris Kennaway wrote:

  Mohan's previous commit that increases the nfs server socket buffer size 
  is also very important for NFS performance.  Without it I was only 
  getting 1-2MB/sec throughput over 10Gb ethernet with UDP mounts

You're trying to use nfs/udp at 10G?  I wouldn't expect that to work.

I've recently been trying to get good performance from nfs at 10Gbps (on
linux).  The required window is 150MB for a transatlantic link.