[gridengine users] subordination and RSQ conflict

Ian Mortimer i.mortimer at uq.edu.au
Wed Oct 23 01:50:16 UTC 2013

On 22/10/13 17:39, Reuti wrote:

> Correct - there is no "look ahead" feature in SGE - i.e. after the suspension
> you would be inside thegranted limit again. The suspension is the result of
 > another job in another queue being started.  You can try:
> limit queues !urgent.q hosts {*} to slots=$num_proc
> with feasible limits inside the urgent.q. For a short time until the
 > suspension starts you allow an oversubscription (although it might
 > be parts of a second only).

If we do that won't it lead to nodes being oversubscribed through the
high priority queues?

The alternative would be to limit the low priority queue to < $num_proc
but then there'll be times when the cluster is underutilized with free
slots and low priority jobs pending.

      i.mortimer at uq.edu.au     Ian Mortimer
      Tel: +61 7 3346 8528     Science IT
                               University of Queensland

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