Changes between Version 41 and Version 42 of cypress/about


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Timestamp:
Sep 19, 2016 4:51:25 PM (5 years ago)
Author:
hoang
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  • cypress/about

    v41 v42  
    9494||||||||= '''QOS limits''' =||
    9595|| '''QOS name''' || '''maximum job size (node-hours)''' || '''maximum walltime per job''' || '''maximum nodes per user''' ||
    96 || interactive || N/A ||   4 hours ||  1 ||
    97 || normal      || N/A ||  24 hours || 18 ||
    98 || long        || 168 || 168 hours ||  8 ||
     96|| interactive || N/A ||1 hour  ||  1 ||
     97|| normal      || N/A ||24 hours || 18 ||
     98|| long        || 168 ||168 hours ||  8 ||
    9999
    100100The "normal" QOS is intended for users running parallel programs.  This is the preferred type of usage to best take advantage of Cypess's parallel processing capability.  Each user is limited to simultaneous usage of 18 nodes (360 cores) over all his/her jobs.
     
    102102The "long" QOS is intended for jobs which are not very parallel, but have longer runtime.  Each job has a job-size limit of 168 node-hours, calculated as the number of nodes requested multiplied by number of hours requested.  For example a job submitted to the long QOS may request 1 node for 7 days, or 2 nodes for 3.5 days.  You are limited to 8 nodes across all your jobs in this QOS.  So, for example, you may run up to 8 jobs each using 1 node and running for 7 days.
    103103
    104 The "interactive" QOS is intended to be used for testing SLURM script submission, and is limited to 1 node and 4 hours.
     104The "interactive" QOS is intended to be used for testing SLURM script submission, and is limited to 1 job per user.  To use it, set your partition and QOS to "interactive".  For example, with idev:
     105
     106{{{
     107export MY_PARTITION=interactive
     108export MY_QUEUE=interactive
     109idev
     110}}}
     111
     112Be sure to unset these variables to resume normal job submission:
     113
     114{{{
     115unset MY_PARTITION
     116unset MY_QUEUE
     117}}}
    105118
    106119Other QOS's on the system are for staff testing use only.