[R] socket clusters on snow dies easily

Rong-En Fan rafan at infor.org
Fri Apr 9 07:59:09 CEST 2004

On Thu, Apr 08, 2004 at 11:18:43AM -0500, Luke Tierney wrote:
> If you absolutely have to use the socket approach you will probably
> have to track down the particular reason for this failure in your
> environment by looking at what is going on under the hood and checking
> the pieces.  The master sets up a server socket, the slave noted
> connect to that socket, and for some reason the first read on that
> connection seems to be failing.  It could be a timing issues--you may
> need to adjust socket timeouts, it could be a permission or firewall
> issue; hard to tell without experimenting.
> You are probably better off using the PVM version if at all possible.
> Overall it more solid than the socket version and likely to have fewer
> issues.

er, due to some historical reason, we want to use socket instead of
MPI or PVM. My friend and I will trace the socket code and see how
to solve this problem. If there is anything new, i'll post here.

Rong-En Fan

More information about the R-help mailing list