From: "J. Bruce Fields" <bfields@fieldses.org>
Subject: Re: NFS performance degradation of local loopback FS.
Date: Fri, 27 Jun 2008 13:44:03 -0400
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Cc: Chuck Lever <chuck.lever@oracle.com>,
	Benny Halevy <bhalevy@panasas.com>, linux-nfs@vger.kernel.org,
	Peter Staubach <staubach@redhat.com>
To: Krishna Kumar2 <krkumar2@in.ibm.com>
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On Fri, Jun 27, 2008 at 02:34:24PM +0530, Krishna Kumar2 wrote:
> But if the file is being shared only with one client (and that too
> locally),
> isn't 25% too high?
> 
> Will I get better results on NFSv4, and should I try delegation (that
> sounds
> automatic and not something that the user has to start)?

No, delegation couldn't possibly help in this case--more caching can't
help if you're only reading the file once.

--b.