Re: [Condor-users] job is not kept in queue even though execute machine is busy

["Ian D. Alderman" <ialderman@xxxxxxxxxxxxxxxxxx>]

On Jan 28, 2009, at 4:23 PM, boson code wrote:

> Hi Jason,
>
> Thank you very much for the reply. The machine on which I want the  
> jobs to be run is a multi core but I made it  look like single core  
> (using NUM_CPUS in config file).
> I'll try the requirements expression, but my question is if the  
> machine is busy, does condor keep the other jobs (which want the  
> same target machine) in queue or does it try to execute them on the  
> target machine irrespective of wheather the machine is busy or not?

Hi,

Condor should keep the jobs in the queue if you change the  
configuration as Jason suggests.

-Ian

> RSVP
> On Wed, Jan 28, 2009 at 6:59 PM, Jason Stowe <jstowe@xxxxxxxxxxxxxxxxxx 
> > wrote:
> Boson,
> > is my job submission file:
> >
> > universe=vanilla
> > executable=t.bat
> > Rank=(machine=="xxx")
> You should use the Requirements expression, not Rank, for a hard
> requirement. A job's Rank expression is a preference, i.e. it will
> make your jobs prefer running on that machine, but they will still be
> able to run elsewhere. If you change the setting to:
> Requirement = (Machine == "xyz")
> Condor will only schedule jobs to that machine.
>
> Another feature to be aware of is that by default Condor will
> advertise slots for all of machine 'xyz's cores. Running jobs
> generally take up one slot. If there are more than 1 cores, when you
> submit the second job, it will run in the second, still-idle core.
>
> To see how many slots are present for a machine 'xyz', type  
> 'condor_status xyz'
>
> Hope this helps,
> Jason
>
> On Wed, Jan 28, 2009 at 5:57 AM, boson code <bocode@xxxxxxxxx> wrote:
> > Hello,
> >
> > I'm a newbie and I've installed condor on 5 windows xp machines.  
> I've want
> > to execute a job on one particular machine (from another machine)  
> and here
> > is my job submission file:
> >
> > universe=vanilla
> > executable=t.bat
> > Rank=(machine=="xxx")
> > output=logs/toutput.log
> > log=logs/tcondor.log
> > notification=never
> > queue
> >
> > The job is getting executed and the target machine is busy. Now I  
> want to
> > submit another job to the same machine (while the first job is  
> still being
> > executed). I thought condor will queue this job until the target  
> machine
> > becomes available since it is busy currently executing first job.  
> But the
> > second job is immediately submitted. What is the reason for this?  
> Why is
> > condor not waiting for the first job to finish before it can  
> execute the
> > second job?
> >
> > Please help
> >
> > Thanks in advance.
> >
> > _______________________________________________
> > Condor-users mailing list
> > To unsubscribe, send a message to condor-users-request@xxxxxxxxxxx  
> with a
> > subject: Unsubscribe
> > You can also unsubscribe by visiting
> > https://lists.cs.wisc.edu/mailman/listinfo/condor-users
> >
> > The archives can be found at:
> > https://lists.cs.wisc.edu/archive/condor-users/
> >
> >
>
>
>
> --
> ===================================
> Jason A. Stowe
> cell: 607.227.9686
> main: 888.292.5320
>
> Cycle Computing, LLC
> Leader in Condor Grid Solutions
> Enterprise Condor Support and Management Tools
>
> http://www.cyclecomputing.com
> http://www.cyclecloud.com
> _______________________________________________
> Condor-users mailing list
> To unsubscribe, send a message to condor-users-request@xxxxxxxxxxx  
> with a
> subject: Unsubscribe
> You can also unsubscribe by visiting
> https://lists.cs.wisc.edu/mailman/listinfo/condor-users
>
> The archives can be found at:
> https://lists.cs.wisc.edu/archive/condor-users/
>
> _______________________________________________
> Condor-users mailing list
> To unsubscribe, send a message to condor-users-request@xxxxxxxxxxx  
> with a
> subject: Unsubscribe
> You can also unsubscribe by visiting
> https://lists.cs.wisc.edu/mailman/listinfo/condor-users
>
> The archives can be found at:
> https://lists.cs.wisc.edu/archive/condor-users/

--
===================================
Ian D. Alderman
office: 608.554.4605
main: 888.292.5320

Cycle Computing, LLC
Leader in Condor Grid Solutions
Enterprise Condor Support and Management Tools