On Saturday, June 14, 2003, at 02:29  PM, Jesse Off wrote:

> Well, rdist uses rsh, so I couldn't really change it
> in rdist itself, but I did change both machine's
> rsh/rcmd and rshd to use TCP_NODELAY and sure enough,
> got the time down from 10 minutes to 25 seconds
> without using ack_on_push=1.  Would changing
> rcmd()/rshd to use TCP_NODELAY by default be
> appropriate?  Changing just the descriptor the local
> rdist gets from rcmd() to TCP_NODELAY results in a
> slight speedup from 10 minutes to 5 minutes.

Yah, that's probably a reasonable change to make (I think ssh uses 
TCP_NODELAY, as well).

Since you have a CVS account, I'd say go ahead and just check in the 
necessary changes.

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