[GE users] Limiting max number of slots a job can take

dvadell dvadell at clustering.com.ar
Mon Apr 5 01:22:40 BST 2010


Hi Reuti,

 Thank you very much. It worked perfectly.

Cheers,
 -- Diego.
 
----------------original message-----------------
From: "reuti" reuti at staff.uni-marburg.de
To: users at gridengine.sunsource.net
Date: Wed, 31 Mar 2010 01:08:19 +0200
-------------------------------------------------
 
 
> Hi,
> 
> Am 29.03.2010 um 14:40 schrieb dvadell:
> 
>> Newbie here. Sorry if it has been answered before or is stupidly 
>> obvious (which I somehow suspect).
>>
>> I have a host gruop of 30 nodes ( 240 slots, 240 cores ) 
>> @MPIsmall, assigned to a queue, MPIsmall (surprise!). Jobs in that 
>> queue shall not use more than 8 nodes. I don't care if a user 
>> submits several jobs that use 8 nodes each, but I don't want in that 
>> queue a bigger, e.g. 30 nodes job.
>>
>> I tried making this policy by Resource Quotas:
>>
>> {
>> name MPItest_8nodes
>> description "MPItest jobs must use at most 8 nodes"
>> enabled TRUE
>> limit queues MPItest users {*} to slots=64
>> }
>>
>> But that limits the queue to 8 nodes per user, and it's ok if 
>> somebody sends two, 8-nodes jobs.
>>
>> What I'm missing here is a "jobs" word for the limit. Something 
>> like:
>>
>> limit queues MPItest jobs {*} to slots=64
> 
> correct, this is missing for now:
> 
> http://gridengine.sunsource.net/issues/show_bug.cgi?id=2147
> 
> You can use a JSV (job submission verifier) to enforce the limit for 
> now and check the requested number of slots therein.
> 
> -- Reuti
> 
> 
>>
>> But I couldn't find it anywhere in the documentation. Am I using 
>> the wrong tool ( Resource Quotas ) to do this? How can I do it? Any 
>> pointer is appreciated.
>>
>> thanks in advance
>>
>> -- Diego.
>>
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