[Beowulf] SGE Queue Priorities

Joe Landman landman at scalableinformatics.com
Sun Dec 4 11:49:19 PST 2005

Have a look at priority ticket handling under gridengine on the 
http://gridengine.sunsource.net site.  You can always use subordinated 
queues and play tricks with that without messing with priorities.  You 
might also have a look at creating functional policies to help out.


Jenno Claesson wrote:
> Hello,
> We are implementing as our Resource Manager the Sun Grid Engine v6 ( 
> N1GE6) (Not Enterprise Edition), and as part of that I am trying to 
> understand how to establish the priority of a job submitted in one 
> queue, over a job submitted earlier in a different queue.
> I have setup the following configurations on my laptop using VMWare with 
> RedHat and the Grid Engine.
> If I have two queues configured, with the only difference being the 
> priority, and the queue name.  The modified values from the defaults are 
> below.
> Parameter    Queue 1    Queue 2
> qname    Queue1    Queue2
> hostlist    RedHatLocal RedHatLocal
> priority    20    -20
> slots    1    1
> Other modifications
> - For the single execution host (RedHatLocal), the only modification to 
> the execution host is to give it a slots value of 1 to make it easy to 
> track which jobs are being sent through to it from the queues 
> (complex_values  slots=1).
> - I have also modified the scheduler configuration (qconf -msconf) 
> setting reprioritize_interval to 0:0:3.
> What I am expecting is that if I have a number of pending jobs for 
> Queue1, if I then submit a job explicitly to Queue2, that the job 
> submitted to Queue2 should be the next job to run.  However this is not 
> the behaviour that I see.  What I am seeing is the jobs being executed 
> in their sequential (FIFO) order.
> Does anyone have any thoughts?
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Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
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