Re: [Condor-users] feasable policy?

["Miskell, Craig" <Craig.Miskell@xxxxxxxxxxxxxxxx>]

> -----Original Message-----
> From: condor-users-bounces@xxxxxxxxxxx 
> [mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Andy Roosen
> Sent: Thursday, 11 May 2006 10:11 a.m.
> To: condor-users@xxxxxxxxxxx
> Subject: [Condor-users] feasable policy?
> 
> I'm trying to work out if the following set of policy requirements can
> be met using Condor 6.6. 
> 
> We have a bunch of machines that are dedicated to doing computation.
> Some of the machines "GM" have been bought by a group "G". An 
> ideal policy
> would be the following:
> Jobs submitted by people in G:
> 	1) Prefer to run on machines in GM if available.
> 	2) otherwise, if any machine is available, run it there
> 	3) otherwise, preempt a job running on GM owned by 
> someone not in G
> Jobs submitted by people not in G:
> 	4) If a machine not in GM is available, run there
> 	5) otherwise, run on GM
> 
> I believe I know how to implement 1,2,4,5. I'm having trouble 
> with 3; I
> get the impression that it involves PREEMPTION_REQUIREMENTS, but can't
> see how that can be used to distinguish between machines. 
May I recommend you have a read about the Bologna Batch System
(http://www.cs.wisc.edu/~pfc/bologna_batch_system.html).  I'm not sure
it will do what you need AS-IS but it might give you some ideas as to
how to proceed.

Craig
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