[GE users] Please Review: Non-Multiplied Consumable Requests for Parallel Jobs

Reuti reuti at staff.uni-marburg.de
Thu Sep 25 17:41:59 BST 2008


Am 25.09.2008 um 15:33 schrieb Andy Schwierskott:

>> b)
>>
>> http://gridengine.sunsource.net/servlets/ReadMsg? 
>> listName=users&msgNo=11319
>>
>> If a job is scheduled to the Mac nodes, they shouldn't use a  
>> floating license.
>> Hence this would need an entry "JOB#HOST", which means JOB *or*  
>> HOST is
>> considered, but not both for a job. The Mac nodes could simply get  
>> a count
>> like cores installed (or the special value "infinite", although  
>> this was
>> already discussed of making no sense for consumables in an RQS.  
>> Here it could
>> in mean in addition "don't decrease the global count"). For the  
>> other nodes
>> the floating licenses should be decreased from the global amount  
>> as usual.
>
> what't about this RQS rule to get a near approach to this need:
>
> {
>   limit hosts !@mac to lic=4
>   limit hosts {@mac} to lic=1
> }
>
> and in the "global" host you'd set a higher value (assume you have  
> 10 Mac
> nodes with that node locked license you'd configure 4 + 10 = 14):
>
>   complex_values  lic=14
>
> The limitation certainly would be that the Mac nodes could not use  
> a floating
> license in addition.

Okay - you're right; this can nowadays be solved with RQSs, which  
weren't available when the issue was born.

-- Reuti

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