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Re: [Condor-users] Submitting MPI JOb

> txcom2003@xxxxxxxxxxxxxxxxxxx wrote:
>> Hi,
>> I have a question about MPI job.
>> When I submitted MPI job, the change between Idle state to Running State
>> took long time (about 5 to 10 minutes). Condor seems need some time to
>> get
>> the dedicated resource being claimed.
>> But other condition happen, when I issued command condor_hold and
>> condor_release, a few second after that, job state can change quickly.
>> Does anyone know why this happen ?
> The negotiation cycle for Condor happens periodically, default is every
> 5 minutes.
> http://www.cs.wisc.edu/condor/manual/v7.1/3_3Configuration.html#10310
> It's possible that it took more than one negotiation cycle for the
> Schedd to get enough claims to start your job.
> If your question is why did your job start up quickly the second time,
> it is possible the Schedd still had those claims to start your job up
> quickly after the hold+release.

No, I submitted the second job when Schedd has release those claims and
the status of all machine was UNCLAIMED. So the condition is same as the
first job.

> If your question is why does your job go on Hold or become Idle after
> being release quickly, it's because the Schedd can make those changes
> directly without having to rely on other parts of the system.
> Best,
> matt
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