Re: [Condor-users] counting licenses

[Joshua Kolden <joshua@xxxxxxxxxxxxxxxxx>]

We are scaling up, but at the moment we have 5 people/systems submitting 
jobs, we have see 20 jobs on the queue at once.  We have multiple frames 
of rendering so for each "job" there are actually 100-500 individual 
tasks to run.  We have 20 cpus to run on, plus a few workstations.  We 
only have 2 licenses (4 under special conditions) of rendering software 
by 20 licenses of compositing software, we may upgrade the 2 licensees 
of rendering to more if we can get this all working efficiently.

Thanks,
j

Miron Livny wrote:

> Joshua,
>
> Doing licenses "right" is a challenge. It also depends on your 
> workload and how you are submitting jobs to the pool. How many jobs 
> that request the license do you typically have and how many submission 
> points (SchedDs) are you using?
>
> Miron
>
>
>
> At 01:30 PM 5/3/2005, you wrote:
>
> > So I sent this out before, but didn't get any takers.  It's really 
> > important for us and seems like a solved problem so if you know and 
> > answer or have an idea don't be afraid to speak up.
> >
> > I have 10 machines, each with 2 cpus that can run our licensed 
> > software for which we currently have 2 licenses.  The two licenses 
> > are limited by machine, not by process, so if one license is consumed 
> > by one machine it can run the software also on the second cpu without 
> > consuming another license.  In this way two machines can run 4 
> > processes with two licenses.
> >
> > Any ideas on a classAd expression that would cover software licensing 
> > in this way, so that we can run on any of the machines that are 
> > capable of running the software.  Even a general way to count 
> > licenses per process would be helpful.
> >
> > Thanks,
> > j
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