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CPU-cores max limit per queue

  • 1.  CPU-cores max limit per queue

    Posted Wed December 16, 2020 04:34 PM
    hi team :)

    We're working with IBM Spectrum LSF Standard 10.1.0.6
    I'm supposed to split the CPU-cores ressources between two queues.
    for instance, my queues are hosted on 2 machines 16 CPU-cores and I would like to limit to 10 cores max on the QUEUE-A and 22 cores max for the QUEUE-B.

    Is it possible and how ?
    I found PROCLIMIT but this is deprecated in 10.1 
    https://www.bsc.es/support/LSF/9.1.2/lsf_admin/index.htm?processors_allocated_limiting.html~main
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    Stephane colas
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    #SpectrumComputingGroup


  • 2.  RE: CPU-cores max limit per queue

    Posted Wed December 16, 2020 08:56 PM

    You may consider to use resource limit configuration in lsb.resources file.

    https://www.ibm.com/support/knowledgecenter/SSWRJV_10.1.0/lsf_config_ref/lsb.resources.5.html



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    YI SUN
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  • 3.  RE: CPU-cores max limit per queue

    Posted Thu December 17, 2020 02:48 AM

    Yes I think so but cpulimit is a number of minutes. 
    so which limit recommend you ?



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    Stephane colas
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  • 4.  RE: CPU-cores max limit per queue

    Posted Thu December 17, 2020 03:12 AM

    The magic word you are looking for is SLOTS. 



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    Bernd Dammann
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  • 5.  RE: CPU-cores max limit per queue

    Posted Thu December 17, 2020 04:56 AM

    Hi Bernd

    SLOTS. why not but reading the documentation it says that SLOTS is job slots not CPU/core related.

    I know the slots with the lsb.hosts MJX parameter but not this SLOTS parameter in ressources or queue part.

    Could you help me more ?



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    Stephane colas
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