Re: [Condor-users] About negotiation

[Daniel Forrest <forrest@xxxxxxxxxxxxx>]

On Thu, Mar 30, 2006 at 12:08:35PM -0500, Ian Chesal wrote:
> > 
> > OK--now I am really confused.  Other E-mails on other threads have
> > said that the schedd will keep the claim on the startd as long
> > as it has any jobs for that user (if PREEMPTION_REQUIREMENTS = FALSE
> > and RANK=0).  Now you are saying it is just
> > if the jobs are in the same cluster.  Which is it?
> 
> I'm 90% certain the claim expires when there a no more jobs from the
> same *cluster*. The Condor team can give you the 100% confidence answer
> on that one though. If you're using auto-clustering so that clusters are
> built dynamically at negotiation time, grouping like jobs from different
> physical clusters into the same auto-cluster, this *might* change the
> observed behaviour. I'm not sure how auto-clusters and the startd
> interact.

The last time I looked through the code, the algorithm is to give the
claim to the next job in the same cluster, and if there are none then
to the highest ranked job for the same user.

-- 
Daniel K. Forrest	Laboratory for Molecular and
forrest@xxxxxxxxxxxxx	Computational Genomics
(608) 262 - 9479	University of Wisconsin, Madison