[torqueusers] processor allocation help

Aaron Knister aaron at iges.org
Tue Aug 14 14:31:11 MDT 2007


Something still isn't right. I have two nodes with 8 processors each. 
qsub -l nodes=12 sits in the queue with a "Deferred" state. Any ideas?

Martin Siegert wrote:
> On Tue, Aug 14, 2007 at 04:06:33PM -0400, Troy Baer wrote:
>   
>> On Tue, 2007-08-14 at 15:54 -0400, Aaron Knister wrote:
>>     
>>> With Sun's Grid engine you can request x number of processors for a job 
>>> and it will allocate them anywhere, on any system. Is there a way to do 
>>> this with torque?
>>>       
>> That depends on what scheduler you use.  I don't believe the built-in
>> pbs_sched that comes with TORQUE will do this; however, I believe Maui
>> will do it if JOBNODEMATCHPOLICY is set to EXACTPROC, as will Moab.
>>     
>
> JOBNODEMATCHPOLICY must be unset for this to work. If it is unset, then
> -l nodes=x
> will do what you want.
>
> I very much hope that one of the next torque versions in the near future
> will introduce a "-l proc=x" syntax that will enable this functionality
> regardless of the setting of the JOBNODEMATCHPOLICY parameter.
>
> Cheers,
> Martin
>
>   


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