[GE users] Reservations and calendar problem

cru cmr9 at leicester.ac.uk
Wed Mar 10 19:41:37 GMT 2010


Yes, we set a default request of '-l h_rt=00:01:00' forcing all users to set the runtime for their jobs.

Chris

Dr Chris Rudge - Research Computing Services Manager

IT Services, University of Leicester, LE1 7RH
Tel: 0116 2522223

Times Higher Education University of the year 2008/9


> -----Original Message-----
> From: reuti [mailto:reuti at staff.uni-marburg.de]
> Sent: 10 March 2010 19:33
> To: users at gridengine.sunsource.net
> Subject: Re: [GE users] Reservations and calendar problem
> 
> Am 10.03.2010 um 20:26 schrieb cru:
> 
> > At the time there were approximately 300 single cpu jobs with a 4.5
> > day runtime
> 
> And this was requested with -l h_rt=108:0:0 ?
> 
> -- Reuti
> 
> 
> > - i.e. there would obviously be a gap on the system to run the 64
> > cpu, 1 day, job well before the service period defined by the
> > calendar which is 5 weeks away.
> >
> > The "schedule" file showed that every reservation created, even for
> > serial jobs, was for after the service period.
> >
> > Chris
> >
> >>> What I discovered was that all of the reservations started at the
> >>> end of
> >>> the next service period which is still five weeks away. This was
> >>> despite
> >>> it being obvious from the state of what was running that there
> >>> should be
> >>> a suitable sized slot on the system within a few days. The stuck 64
> >>> cpu
> >>> job also only requested 1 day of runtime so it would also complete
> >>> before the next service day once started.
> >>
> >> which runtime was requested by the job which were already in the
> >> system?
> >>
> >> -- Reuti
> >>
> >
> >
> > Dr Chris Rudge - Research Computing Services Manager
> >
> > IT Services, University of Leicester, LE1 7RH
> > Tel: 0116 2522223
> >
> > Times Higher Education University of the year 2008/9
> >
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