Re: [HTCondor-users] Paralell Jobs

["Marcos M." <marcos.mazzini@xxxxxxxxx>]

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>

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@cs.wisc.edu 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@cs.wisc.edu 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/