[GE users] Job priority

Brian Pontz bpontz at ll.mit.edu
Wed May 23 19:36:31 BST 2007


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I'm not sure I understand this. So a user cant define what a jobs
priority is at runtime unless it's lower than the default?

Brian



On Wed, 2007-05-23 at 14:19 -0400, Rayson Ho wrote:
> Unless you are the admin user, you can lower the priority but no upper it:
> 
> qsub(1) manpage:
>           Users may only decrease the  priority  of  their  jobs.
>           Grid   Engine  managers  and  administrators  may  also
>           increase the priority associated with jobs. If a  pend-
>           ing job has higher priority, it is earlier eligible for
>           being dispatched by the Grid Engine scheduler.
> 
> And, "Job Sorting":
> http://docs.sun.com/app/docs/doc/817-5677/6ml49n2bs?q=seq_no&a=view
> 
> * POSIX priority.
> You can use the ?p option to the qsub command to implement
> site-specific priority policies. The ?p option specifies a range of
> priorities from ?1023 to 1024. The higher the number, the higher the
> priority. The default priority for jobs is zero.
> 
> Rayson
> 
> 
> 
> On 5/23/07, Brian Pontz <bpontz at ll.mit.edu> wrote:
> > Same way. Basically as a test I ran a loop and it would submit about 500
> > jobs with random priorities from 0 to 1024.
> >
> > Brian
> >
> >
> > On Wed, 2007-05-23 at 14:03 -0400, Rayson Ho wrote:
> > > And how were other jobs with different priorities submitted??
> > >
> > > Rayson
> > >
> > >
> > >
> > > On 5/23/07, Brian Pontz <bpontz at ll.mit.edu> wrote:
> > > > SGE version is 6.0u8
> > > >
> > > > Jobs are submitted via
> > > >
> > > > qsub -p 20 -cwd  -o /dev/null -e /dev/null /home/user/test.sh
> > > >
> > > >
> > > > Brian
> > > >
> > > >
> > > > On Wed, 2007-05-23 at 12:48 -0400, Rayson Ho wrote:
> > > > > What SGE version?? And, how did you submit the jobs and specify the priority??
> > > > >
> > > > > Rayson
> > > > >
> > > > >
> > > > >
> > > > > On 5/23/07, Brian Pontz <bpontz at ll.mit.edu> wrote:
> > > > > > Hi,
> > > > > >
> > > > > > I'm wondering if there is any known issues/bugs with setting job
> > > > > > priorities? I've been testing it out and no matter what priority I set
> > > > > > when submitting a job using qsub, they all end up getting run in the
> > > > > > order I submit them. This is in the all.q queue. Is there anything in
> > > > > > particular I should be looking at to help debug this problem?
> > > > > >
> > > > > > Thanks,
> > > > > > Brian
> > > > > >
> > > > > >
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