[Mauiusers] Fairness Policy Configuration
garrick at usc.edu
Wed Feb 24 13:06:20 MST 2010
On Wed, Feb 24, 2010 at 10:43:02AM -0300, Marcelo Zimmer alleged:
> Hello all,
> I'm configuring small cluster in my lab and I've managed to install properly
> both torque and maui. They've been working neatly for over a month now.
> However, since it's a somewhat small group that uses the cluster resources,
> no fairness policy had been set at first. Now, I'm in the need of it (a very
> soft policy, though), but I just can't set anything up regarding this. What
> I'm intending to do is to set a maximum of 5 idle job limit per user. As far
> as I'm concerned, all what I have to do is to edit the "maui.cfg" file (only
> this?) and include somewhere in this file, the following string
> USERCFG[DEFAULT] MAXIJOB=5
> However, during the tests I still could put on queue as many jobs as I
> wanted. I've also tested other keys such as "MAXJOB" without success.
> Summary of actions:
> * stop all torque executions (pbs_server and pbs_mom)
> * stop maui
> * edit maui.cfg file
> * start torque executions (pbs_server and pbs_mom)
> * start maui
> * run a job (usually a sleep command) using the "qsub" command.
> Am I missing anything?
You want to prevent more than 5 jobs per user from being accepted into the
queue? Maui can only schedule, it can't reject jobs.
The queue management is in the torque. 'man pbs_queue_attributes'. You want
max_user_queuable or perhaps max_queuable.
As an aside, for edits to maui.cfg, only restart the maui daemon. For changes
in qmgr, don't restart anything.
Garrick Staples, GNU/Linux HPCC SysAdmin
University of Southern California
Life is Good!
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