[Mauiusers] Re: [torqueusers] Job Priorities and maui with torque

Dave Jackson jacksond at clusterresources.com
Fri Oct 14 20:33:53 MDT 2005


  Sorry for the delay in responding.  Due to the inherent unfairness of
user specified job priorities, Maui was designed to disallow them with a
leaning towards using 'qualities of service' (or QOS).  If you would
like to enable user priority directly and not use the QOS's other
features, you can do something like the following:

# maui.cfg

# create 'priority' QOS's

# allow all users to user all 'priority' QOS's

# allow QOS priorities to adjust job priority

  If using recent TORQUE releases, users (or the job filter) can then
submit jobs using:

> qsub -l nodes=1,qos=q1 text.cmd

  If using Moab, the above is possible and you can also natively use
TORQUE job priorities by setting the USERPRIORITYWEIGHT parameter.

  Please let us know if this helps.


On Fri, 2005-10-14 at 10:13 -0400, Jeff Blasius wrote:
> Hello Everyone,
> I tried to send this to the maui list, but it didn't seem to get
> through. Does anybody have any experience getting maui to respect
> torque's priorities (set with the -p flag)?
> We are moving a group away from the torque scheduler to maui, but it
> seems the more advanced priority scheme is causing them trouble.
> What they normally do is submit jobs through a web interface that
> lowers their priority throughout the day using "qsub -p". At the end
> of the day the counter resets and the priority goes back to the
> starting point. This enables power users to login and specify a higher
> priority to make sure their job runs right away.
> So, can I tweak maui in some way to respect the torque priorities? How
> can I configure maui to respect hard priorities? That is, jobs with a
> priority 2 will always run before priority 1.
> Thank You,
>                     jeff
> --
> Jeff Blasius / jeff.blasius at yale.edu
> Phone: (203)432-9940  51 Prospect Rm. 011
> High Performance Computing (HPC)
> UNIX Systems Administrator, WorkStation Support (WSS)
> Yale University Information Technology Services (ITS)
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