[Mauiusers] Could maui ignore the ppn in qsub

Garrick Staples garrick at usc.edu
Fri Feb 11 11:08:13 MST 2005


On Fri, Feb 11, 2005 at 12:02:36PM +0100, Bas van der Vlies alleged:
> Ake wrote:
> >On Fri, Feb 11, 2005 at 11:22:32AM +0100, Bas van der Vlies wrote:
> >
> >>I know a put the question wrong, but when job 1508 is run it will aquire 
> >>the whole node and the MAXPS will be recalculated to 7200, because the 
> >>user has the whole node with 2 processors in it.  Now the user has also 
> >>reach the MAXPS limit as maui concerns. That is why i asked can we add 
> >>an CONFIG that MAXPS will skip the multiplication factor. Maybe MAXPS 
> >>can see if SINGLEJOB is set, we forgot about the ppn factor for the 
> >>calculation of requested time.
> >
> >
> >I don't think MAXPS will be recalculated for that ppn=1 job, neither
> >will the actual usage numbers.
> >
> I know for sure that when the jobs runs the Used amount of time will 
> exceed the MAXPS factor. We now have limited the user for 600 hours.
> 
> I user can subit an job, eg:
> 	qsub -I -lnodes=60:ppn=1 -lwalltime=10:00:00
> 
> This will run and he gets 60 nodes. Our nodes have two procs. When this 
> job run his MAXPS used factor will be 60*10*2 = 1200 hours what is much 
> more then MAXPS LIMIT and he has to wait a long time before other jobs 
> can run

Why not just limit walltime instead of PS?  It sounds like that is what you
actually what we limit.


-- 
Garrick Staples, Linux/HPCC Administrator
University of Southern California
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