Re: [HTCondor-users] Paralell Jobs

[Imre Szeberenyi <szebi@xxxxxxxxxx>]

Hi Marcos,

I suggest set the machine rank to 0.
To disable preemption by machine RANK.

And please check the following expression on the master node:

condor_config_val -negotiator PREEMPTION_REQUIREMENTS

Cheers,

Imre



On 2013.09.02. 14:58, Marcos M. wrote:
> Thanks for your reply.
> Could you give me the exact steps/commands to achieve this? I did the 
> following test an didn't work:
>
> all users had priority less than 14.
> condor_userprio -setprio DedicatedScheduler@***** 15
> condor_submit mpi_script
>
> and NegotiatorLog showed this
> "Preempting user@local (user prio=3.32, startd rank=0.00) on 
> slot2@xxxxxxxxxxxxxxxxx for DedicatedScheduler@******* (user 
> prio=14.99, startd rank=1.00)"
>
> Perhaps is rank misconfigured?
>
>
>
> 2013/9/1 Imre Szeberenyi <szebi@xxxxxxxxxx <mailto:szebi@xxxxxxxxxx>>
>
>     Hi Marcos,
>
>     I have the same problem, and I found a dirty solution:
>     I set the priority factor of the Dedicated scheduler higher than
>     the serial jobs has.
>     The negotiator choose first the job with
>     higher priority (lower number). If the dedicated scheduler
>     has the highest priority the parallel jobs will be started first.
>     Unfortunately the dedicated scheduler does not care about the
>     user priority it uses the job priority instead (as I understood the
>     scheduling).
>
>     So I suggest you, to set the priority factpr of the dedicated
>     scheduler
>     between 2 and 100 using the condor_userprio command.
>
>     I also modified the PREEMPTION_REQUIREMENTS expression in the
>     condor_config file, because I want to preempt only the standard jobs.
>
>     Now it is better, but is is far from fair scheduling. So I plan to
>     write a
>     daemon which will modify the user priority of the dedicated scheduler
>     in dynamical way and also modify the job priority of the waiting
>     parallel jobs
>     in the queue. A know it is more dirty solution.
>
>     Cheers,
>
>     Imre
>
>
>
>     On 2013.08.30. 18:58, Marcos M. wrote:
>
>         Hi i'm running condor version 7.6.6 and configured condor to
>         run both serial and mpi jobs. The problem is that mpi jobs
>         inmediately preemt running serial jobs no matter their priorities.
>         I know this is kind of normal behaiviour, i'd like to konw how
>         can I configure paralell jobs to start with a priority of for
>         exaple 2.00 so it has to wait at least some time to preempt a job.
>
>         I have one central submit machine with dedicated scheduler and
>         the rest are mpi enabled execute machines.
>         RANK is set to "Scheduler =?= $(DedicatedScheduler)"
>
>         Any help is appreciated.
>
>
>
>         _______________________________________________
>         HTCondor-users mailing list
>         To unsubscribe, send a message to
>         htcondor-users-request@xxxxxxxxxxx
>         <mailto:htcondor-users-request@xxxxxxxxxxx> with a
>         subject: Unsubscribe
>         You can also unsubscribe by visiting
>         https://lists.cs.wisc.edu/mailman/listinfo/htcondor-users
>
>         The archives can be found at:
>         https://lists.cs.wisc.edu/archive/htcondor-users/
>
>
>     _______________________________________________
>     HTCondor-users mailing list
>     To unsubscribe, send a message to
>     htcondor-users-request@xxxxxxxxxxx
>     <mailto:htcondor-users-request@xxxxxxxxxxx> with a
>     subject: Unsubscribe
>     You can also unsubscribe by visiting
>     https://lists.cs.wisc.edu/mailman/listinfo/htcondor-users
>
>     The archives can be found at:
>     https://lists.cs.wisc.edu/archive/htcondor-users/
>
>
>
>
> _______________________________________________
> HTCondor-users mailing list
> To unsubscribe, send a message to htcondor-users-request@xxxxxxxxxxx with a
> subject: Unsubscribe
> You can also unsubscribe by visiting
> https://lists.cs.wisc.edu/mailman/listinfo/htcondor-users
>
> The archives can be found at:
> https://lists.cs.wisc.edu/archive/htcondor-users/