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• Interface 1: Extend PBS to support a list of scheduler objects

  • Visibility: Public
  • Change Control: Stable
  • Details:
    • PBS supports a list of scheduler objects to be created using qmgr. It is similar to how we create nodes in server.
    • qmgr command can be used to create a scheduler object . It must be invoked by a PBS admin/manager.
    • To create a scheduler object and make it run, the following are the attributes that can be set by the user
      • Name of the scheduler is mandatory to be given while creating a scheduler object. 
        • qmgr -c "c sched multi_sched_1"
          • This will create/set the following attributes for the sched object
            
            • port - If not defined by the user, It will start from 15050 and try to run the scheduler on the next available port number.
            • host (read-only for now, Has the same value as PBS server host)
            • partition = "None" (default)*
              
            • sched_priv = $PBS_HOME/sched_priv_multi_sched_1 (default)*
              
            • sched_log = $PBS_HOME/sched_log_multi_sched_1 (default)*
              
            • scheduling = False (default)*
            • scheduler_iteration = 600 (default)*
              
            • sched_user = <pbs_server user> (default)
            • job_sort_formula_threshold
              

            • comment 

              • sites can use the comment field to

              • notify them if scheduler undergoes restarting 2-3 times due to potential crashes in an hour for example (i.e. comment => “NEEDS_ATTENTION”)

              • tell when a particular scheduler is ready to function again by setting the comment as follows.

                • comment => “READY_TO_USE

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