> Am 23.03.2016 um 15:06 schrieb Gerik Huland <[email protected]>:
> 
> Hi Reuti,
> 
> I will answer for Jakob here as I am the guy who has set up the cluster
> config.
> 
> Btw. SGE version is 8.1.8.
> 
>> How did you set up the subordination right now - do you use slotwise 
>> preemption and defined a tree or hierarchy?
> 
> No. We use queuewise subordination. I did a couple of lengthy tests with
> slotwise subordination but did not get any reliable results. I cannot
> recall in detail what the problems were but it was so that we switched
> to queuewise subordination.
> 
> Current config is
> 
> ssconf:
> queue_sort_method                 load
> load_formula                      np_load_avg
> 
> short.q:
> subordinate_list      normal.q=1,medium.q=1
> 
> medium.q:
> subordinate_list normal.q=1
> 
> 
> Queuewise subordination works reliable in the respect that jobs are
> suspended. It does not work at all when it comes to schedule depending
> on queue hierachie.
> 
> My impression of the cause of the problem is that the rule for choosing
> a node is still "least loaded". The queue running on a host is not taken
> into account for this first decision.

Maybe a cron-job which changes the sequence number of the queues according to 
the used queues could help, when the scheduler is configured to honor the 
sequence number.

-- Reuti


> So we have the situation that the suspending can happen to any queue
> that happens to currently run on the least loaded node.
> 
> 
> Regards
> 
> Gerik
> 
> 
> -- 
> Vorstandsvorsitzender/Chairman of the board of management:
> Dr. Martin Matzke
> Vorstand/Board of Management:
> Johannes Barthmes, Yvonne Veyhelmann
> Vorsitzender des Aufsichtsrats/
> Chairman of the Supervisory Board:
> Philippe Miltin
> Aufsichtsrat/Supervisory Board:
> Martin Wibbe, Winfried Holz
> Sitz/Registered Office: Tuebingen
> Registergericht/Registration Court: Stuttgart
> Registernummer/Commercial Register No.: HRB 382196
> 

_______________________________________________
SGE-discuss mailing list
[email protected]
https://arc.liv.ac.uk/mailman/listinfo/sge-discuss

Reply via email to