Craig Condit created YUNIKORN-807:
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             Summary: Improve performance of node sorting
                 Key: YUNIKORN-807
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-807
             Project: Apache YuniKorn
          Issue Type: Improvement
          Components: core - scheduler
            Reporter: Craig Condit
            Assignee: Craig Condit
         Attachments: Node Sorting Performance Improvement.pdf

YuniKorn currently sorts all nodes on demand whenever scheduling of a container 
occurs. This causes significant performance degradation as the number of nodes 
increases.

If we replace the on-demand sorting with a B-Tree sorted proactively, we can 
improve performance considerably.

This is a similar approach to YUNIKORN-21, but without the associated 
behavioral changes.

I've attached a design document with the details of the approach and the 
performance improvement gained.



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