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• Visibility: Public
• Change Control: Stable
• Details:
  
  • Queue will have a new "partition" attribute which can be used to associate a node to a particular partition.
    • This attribute will be of type string and it will be settable only by Manager/operator and viewable by all users.
    • If "partition" attribute is not set to anything, queue will not belong to any partition and default scheduler will schedule jobs from this queue.
  • If queues are moved from one partition to another it is recommended that queue has no running jobs in it. Either all of it's running jobs are requeued or finished before the move.
    • Moving queues with running jobs from one partition to another is not recommended and may result into unexpected behavior.
  • • We recommend this attribute to be set as job-wide default resource at queue level.

Interface 7: How PBS server runs scheduler.

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• Visibility: Public
• Change Control: Stable
• Details:
  • PBS Manager can only set or alter this attribute. We recommend The value for this attribute to be set on queues as default_qsub_argis derived from the resources_default.partition of the queue to which this job belongs to.
    
    

Notes:

• What does not work when multiple scheduler objects are present.
  
  • When there are multiple scheduler objects configures following things might be broken.
    • Run limits set on server may seem to be broken because a scheduler object may not have a view of whole of the universe.
    • Fairshare is now only limited to what a specific scheduler views, it can not be done complex wide with multiple schedulers.

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