Re: [Condor-users] quick question: is periodic vacate possible

[Ian Chesal <ian.chesal@xxxxxxxxx>]

On 2010-06-21, at 5:06 AM, "Smith, Ian" <I.C.Smith@xxxxxxxxxxxxxxx>  
wrote:
> I've set WANT_VACATE=TRUE on all of the execute hosts - is
> it possible to set this on a per job basis ?

Certainly. Tag your jobs on submission:

+CheckpointJob = True

And then

WANT_VACATE = CheckpointJob =?= True

- Ian



> thanks,
>
> -ian.
>
> > -----Original Message-----
> > From: condor-users-bounces@xxxxxxxxxxx [mailto:condor-users-
> > bounces@xxxxxxxxxxx] On Behalf Of Dan Bradley
> > Sent: 17 June 2010 16:43
> > To: Condor-Users Mail List
> > Subject: Re: [Condor-users] quick question: is periodic vacate  
> > possible
> >
> > Ian,
> >
> > The machine's PREEMPT expression could be used to periodically
> > checkpoint vanilla universe jobs that implement some kind of
> > self-checkpointing.  You would just want to make sure that  
> > WANT_VACATE
> > is true for the jobs that get preempted or they will be booted off
> > without any chance to save state.
> >
> > --Dan
> >
> > Smith, Ian wrote:
> > > Dear All,
> > >
> > > Just a very quick question that I can't seem to find an answer for
> > > anywhere:
> > >
> > > Is it possible to periodically vacate jobs in the same way as
> > > they can be periodically held and removed ?
> > >
> > > The reason I ask is that I've been building checkpointing
> > > into some of our vanilla universe jobs and it would
> > > be useful if these could be vacated say once every
> > > few hours so that the checkpoint file get stored in
> > > the $(SPOOL). Some of the jobs can run for days
> > > and with few students around the campus at present
> > > they are unlikely to get evicted by user logins. This
> > > means that the output can get lost if the startd
> > > crashes for some reason*, loosing several days
> > > work.
> > >
> > > regards,
> > >
> > > -ian.
> > >
> > > * I've noticed several connection failures with long running jobs
> > >  and I'm still not sure of the reason although someone turning
> > >  off an execute host running a job is obviously one !
> > >
> > > --------------------------------------------
> > > Dr Ian C. Smith,
> > > Advanced Research Computing (e-Science) Team,
> > > The University of Liverpool
> > > Computing Services Department
> > >
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