Subject: Re: nfs sync, slow
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Jason R Thorpe <thorpej@zembu.com>
List: current-users
Date: 12/07/2000 07:36:49
On Thu, Dec 07, 2000 at 10:41:58AM +0100, Manuel Bouyer wrote:

 > > > I don't understand why TCP is faster. I would expect UDP to be faster as
 > > > the protocol overhead is lower ...
 > > 
 > > Doesn't TCP enforce NFS v3?
 > 
 > I hope v3 is used over UDP as well !

NFS v2 was UDP, and Berkeley introduced a TCP extension for NFS v2.

NFS v3 natively supports both TCP and UDP, and the default is TCP, IIRC.

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>