[GE users] Requested consumables in dynamic resource quota

reuti reuti at staff.uni-marburg.de
Mon Dec 1 13:59:36 GMT 2008


Am 01.12.2008 um 09:28 schrieb Henry Leyh:

>> <snip>
>> A limit per slot is not implemented. You can multiply beforehand,  
>> e.g.
>>
>> imit users {*} hosts {@certain_hosts} to virtual_free=800M
>>
>> and submit with "-pe mpich 2 -l virtual_free=400M" - you should be
>> able to get two slots on the machine. I.e. the request is 800M in
>> total when run on one  machine.
>
> Hi,
> Yes, that's how we do it now.  With the above submit command you  
> get indeed 2
> slots but how can I prevent somebody from requesting  
> virtual_free=800M and
> thus blocking one slot?

This is often used as a feature to get exclusive access to a node.

>   What I am thinking about is rather an upper limit for
> virtual_free per slot or, if you like, a lower limit for the  
> requested number
> of slots.

Then don't make virtual_free consumable. It will act a a limit per  
slot then.

-- Reuti

(Because of http://gridengine.sunsource.net/issues/show_bug.cgi? 
id=2762, don't use an RQS for it right now.)


> I will give it some more thought, may be there is a work-around.
>
> Thanks a lot anyway.
>
> Regards,
> Henry
>
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