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Objective

This is to introduce the node ramp down feature, which basically releases no longer needed  sister nodes early from running jobs.

Interface 1: New command: 'pbs_release_nodes'

  • Visibility: Public
  • Change Control: Stable
  • Synopsis: Release a specified set of sister nodes or vnodes, or all sister nodes or vnodes assigned to the specified job. The nodes released will then be made available for scheduling other jobs.
  • Permission: Only job owner, admin, PBS manager, or PBS operator will be allowed to perform the release nodes action.
  • Details:
    1.  Release a particular set of sister nodes from a job:
      1. Syntax:   pbs_release_nodes [-j <job_identifier>] [<host1_or_vnode1>] [<host2_or_vnode2>] [<host3_or_vnode3>] ...

        The 'host*_or_vnode*' argument is any of the sister nodes/vnodes that appear in the exec_vnode attribute of a running job.

      2.  Error: pbs_release_nodes will report an error if any of the nodes specified are managed by a mother superior mom.

    2. Release all sister nodes from a job:
      1. Syntax: