[torqueusers] Torque lets in unsatisfiable job requests

Gabe Turner gabe at msi.umn.edu
Fri Apr 18 08:51:24 MDT 2008


On Fri, Apr 18, 2008 at 03:48:56PM +0200, Bram Metsch wrote:
[snip]
> 1) The user queues her/his job into the queue serving the two-core nodes, but
>      requests 4 or 8 processors per node
> 2) The user requests (per processor!) more memory than available on a single
>       node.
> 
> Of coarse, maui is not able to create a reservation for these jobs. So, they
> remain in the queue and they are never being executed. The users however think
> their requests were correct because qsub did not produce an error message. Is
> there a possibility to let Torque reject these requests already during
> submission?

Yes.  Torque can take a submission filter that qsub will run on the
submission script.  You can write your filter to look for inappropriate job
topologies and reject those jobs.  Documentation on submission filters is
in Appendix J of the Torque Admin Manual:

http://clusterresources.com/torquedocs21/a.jqsubwrapper.shtml

HTH,

Gabe

-- 
Gabe Turner                                             gabe at msi.umn.edu
UNIX System Administrator,
University of Minnesota
Supercomputing Institute                          http://www.msi.umn.edu


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