[Mauiusers] Does maui have a hard-coded walltime limit???

Thomas Dargel td at chemie.hu-berlin.de
Wed Mar 21 06:08:20 MDT 2007


On Wed, Mar 21, 2007 at 11:16:27AM +0100, Thomas Dargel wrote:
> On Wed, Mar 21, 2007 at 01:21:44PM +1100, Chris Samuel wrote:
> > On Tue, 20 Mar 2007, Thomas Dargel wrote:
> > 
> > > There is no walltime limit set, neither at torque/maui nor in the job
> > > script.
> > 
> > It certainly used to be the case that if you restarted Maui with jobs that 
> > didn't have wall times set then it would kill them all because they had 
> > exceeded their default of 0 hours, 0 minutes and 0 seconds.
> > 
> > Could this be what happened to you here ?
> > 
> > cheers,
> > Chris
> > -- 
> >  Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager
> >  Victorian Partnership for Advanced Computing http://www.vpac.org/
> >  Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia
> > 
> 
> Hi Chris,
> 
> exactly this issue was posted by me in november 2005
> (http://www.clusterresources.com/pipermail/mauiusers/2005-November/001825.html).
> Garrick provided a patch for this maui version (3.2.6p14-snap1129921819) and
> the cancelation of running jobs without a given walltime by maui was solved.
> 
> By the way, this restart/cancel phenomenon is gone with maui revision
> 3.2.6p18-snap1164120675.
> 
> At the end of this thread you predicted the dead of the jobs after 100 days.
> (http://www.clusterresources.com/pipermail/mauiusers/2005-November/001891.html).
> 
> This is now prooved. There was no restart of maui, there is 'only' the
> interpretation of 'infinity' in maui, which means INFINITY=100:00:00:00 .
> 
> Does anybody know where this definition is made in the sources of maui????
>

I think I found the reason in include/msched.h:

line 341:
#define MDEF_SYSJOBWCLIMIT                   8639999

8639999 [s] = 99:23:59:59

I will try to increase this number and recompile the code... ;-P

Thomas.

> Thank you for your attempt to help
> best regards
> 
>  Thomas Dargel.
> 


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