[torqueusers] Torque scheduler not informed about new jobs?

Dr. Nico van Eikema Hommes (CCC) nico.hommes at fau.de
Fri Sep 27 02:25:22 MDT 2013

Hello Gus,

excellent suggestion: I installed the maui scheduler and now jobs start immediately when nodes are free.
Thanks a lot!

Best regards,


On 20 Sep 2013, at 17:35 , Gus Correa <gus at ldeo.columbia.edu> wrote:

> Hi Nico
> If by "standard scheduler" you mean pbs_sched,
> please read these recent threads:
> http://www.supercluster.org/pipermail/torqueusers/2013-July/015922.html
> http://www.supercluster.org/pipermail/torqueusers/2013-August/016026.html
> http://www.supercluster.org/pipermail/torqueusers/2013-August/016029.html
> http://www.supercluster.org/pipermail/torqueusers/2013-September/016141.html
> To answer your question, yes, myself and others have seen this behavior.
> I would suggest trying Maui instead of pbs_sched.
> My two cents,
> Gus Correa
> On 09/19/2013 08:26 PM, Dr. Nico van Eikema Hommes (CCC) wrote:
>> Hello!
>> We recently set up a new master node, running openSUSE 12.3,
>  and installed version 4.1.6 of Torque. Everything seemed to
> running fine, but we noticed that freshly submitted jobs are
> not run immediately even when suitable nodes are free.
> Instead, they wait in the queue until the scheduler
> (we use the standard scheduler at the moment) is run periodically.
>> The logfile contains the lines
>>   PBS_Server.59003;Svr;servernode;Scheduler was
> sent the command time
>> but no lines like
>>   PBS_Server.54088;Svr;servernode;Scheduler was sent the command new
>> that appear on another cluster system (with torque 4.1.0)
> immediately when jobs are submitted. On this cluster,
> jobs start immediately when free nodes are available.
>> Jobs are submitted from the login nodes.
> However, the problem occurs as well when jobs
> are submitted on the master node.
>> The server parameters are the same on both clusters.
>> Our current workaround is to set the scheduler
> interval to 60 seconds, but this isn't really a solution.
>> Has anybody seen this behaviour?
> Or better, does anybody know how to solve this problem?
>> Thanks in advance for any help!
>> Best regards,
>>     Nico van Eikema Hommes

Dr. N.J.R. van Eikema Hommes   Computer-Chemie-Centrum
E-Mail:   nico.hommes at fau.de   Universitaet Erlangen-Nuernberg
Phone:      +49-9131-8526532   Naegelsbachstr. 25
FAX:        +49-9131-8526565   91052 Erlangen, Germany

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