Re: [Condor-users] Re: split processors among multiple jobs

[John Wheez <john@xxxxxxxxxx>]

ok i see what is happening..by using priority = -$(Process) all the 
frames in each job ina  cluster are being given an order in which to be 
computed...

What is really needed is teh ability to assign a priority to the 
cluster..and if two clusters have the same priority then each cluster 
will get some cpus.

the method below does split cpus between all clusters that a user 
submits but it does it in a nonintelligent fashion..for example..if i 
submit  cluster A & B at teh same time then the cpus will be split..but, 
if i enter a new cluster C five minutes after A & B..then the cpus will 
all go to cluster C until it's jobs have reached teh same process number 
as A or B.

What would be nice is if we could have the option to assign priorities 
to clusters and have condor use that priority to decide what percent of 
resources should go to that cluster. that way even if a cluster is 
submitted 5 minutes later..it will not suck up all the resources.

JW


Jaime Frey wrote:

> All four jobs will get matched to machines in the same negotiation cycle.
> Within the negotiation cycle, first one user's jobs are matched one at a
> time, then the other user's jobs.
>
> On Wed, 16 Mar 2005, John Wheez wrote:
>
>  
>
> > Ah this might help us out.
> >
> > Given the following example..how would this behaviour work?
> >
> > Two users submit two jobs each. Lets say there are 20 CPUS available.
> > Each user has the same priority and each job has the same priority.
> >
> > Will all the submitted jobs receive CPUS at the same time or will condor
> > go in some specific order when it assigns cpu's to the jobs?
> >
> > Thanks, JW
> >
> >
> > Jaime Frey wrote:
> >
> >    
> >
> > > With Condor 6.7.6, we're removing the restriction on job priority values.
> > > They can be any integer. This allows an even quicker solution; just add
> > > the following to your submit files:
> > >
> > > priority = -$(Process)
> > >
> > > +----------------------------------+---------------------------------+
> > > |            Jaime Frey            |  Public Split on Whether        |
> > > |        jfrey@xxxxxxxxxxx         |  Bush Is a Divider              |
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> +----------------------------------+---------------------------------+
> |            Jaime Frey            |  Public Split on Whether        |
> |        jfrey@xxxxxxxxxxx         |  Bush Is a Divider              |
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