[gridengine users] mem_free

Carlos Fernández Iglesias ciglesias at cesga.es
Thu Sep 22 10:22:27 UTC 2011


Thank you all,

We are using -pe XX now.

Very interesting the JOB feature of consumable. I understand it would be 
then memory requested per job and consumable, isn't it right?

Thanks!


El 21/09/11 19:18, Alex Chekholko escribió:
> On 09/21/2011 05:07 AM, Carlos Fernández Iglesias wrote:
>> Hello,
>>
>> I'm having some problems using Bioscope.
>>
>> I would like to confirm how "mem_free" operates: if you submit a job
>> with num_proc=2,mem_free=10G does it require 10G or 20G to run? I
>> believe the normal behaviour would be to require 10G, but in our cluster
>> it asks for 20G (maybe bioscope is doing something else we are not aware
>> of?).
>>
>
> There is a setting which changes whether the memory limit applies per 
> processor or per job.
>
> When you do 'qconf -sc', in the 'consumable' column, it can be "YES" 
> or "JOB".  If "YES", then it is per processor, if "JOB", it is for the 
> whole job, regardless of how many processors you request.
>
> I believe the "JOB" feature was added in SGE6.2u3, the bioscope folks 
> recommend SGE6.2u5 version at minimum.
>
> As Reuti said, you should be requesting multiple processors with '-pe 
> XX 2', not 'num_proc=2'.
>
> Regards,



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