[GE users] Per-node group priorities?

craffi dag at sonsorol.org
Wed Dec 10 22:14:37 GMT 2008


Hi Jim,

Questions inline ...

On Dec 10, 2008, at 3:12 PM, Jim Zajkowski wrote:

> Is it possible to configure SGE so that jobs submitted by members of  
> a group
> have a preference for a specific set of nodes?
>
> The backstory: two PIs have been guaranteed use of ten compute  
> nodes* in
> their job offer letters.  Both do nearly identical computational  
> jobs, which
> have the flavor of tens of thousands of very very short tasks.
>
> What I would like to happen is that all nodes be available to all  
> users all
> the time, so that if only lab A is submitting that it would run on all
> twenty machines.  If lab B submits a job as well, in a short amount  
> of time
> I would like them to shift to a 50/50 split, ten machines per lab.

- Do you have a specific set of 20 machines you want to use for these  
2 groups or do you want to pull any 20 nodes out of a much larger farm?

- Would any other users or groups active on these 20 servers?

>
>
> I'm fairly certain this is possible with Condor (which we run on our  
> other
> compute cluster) but we'd prefer SGE for two reasons, one being that  
> Condor
> has issues with huge numbers of jobs, and the other being that the  
> tools
> being run already expect an SGE environment.

Out of curiosity, what are the tools?


Regards,
Chris

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