Am 18.09.2013 um 01:19 schrieb Brendan Moloney:
> Hi Reuti,
>
>> Yes. But this queue can have the total slot count of the machine. Or are you
>> assigning right now 4 cores to a short queue, 8 to a medium one and the
>> remaining 4 cores of a 16 cores machine to a long queue?
>
> I limit the total number of slots for each queue using an RQS. The shortest
> queue (30 minute time limit) is unlimited, and each other queue can use up to
> 10% of the total slots (120 total). For example the RQS for one of the queues:
>
> {
> name longlimit
> description NONE
> enabled TRUE
> limit queues long.q hosts * to slots=12
NB: As it's a rule across all machines in total, the "hosts *" can also be left
out.
-- Reuti
> }
>
>
>> The $PE_HOSTFILE will contain an entry for each granted queue. The MPI
>> library will need to sum up the ones residing on one and the same host and
>> use forks across the overall amount. This was a bug in Open MPI but it was
>> fixed some time ago; in MPICH2 1.4.1p1 it's still there, even 3.0.4 and
>> 3.1b1.
>> I'll bring it up on the MPICH list (as a result several `qrsh -inherit ...`
>> will be made to one and the same machine and you can face the error you got).
>
> Thank you so much for this! I saw your message to the MPICH list and will
> definitely keep an eye on it. I may also try out OpenMPI soon.
>
> Thanks again,
> Brendan
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