Manikandan R created YUNIKORN-3219:
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             Summary: Assess the reservation interplay with this preemption
                 Key: YUNIKORN-3219
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-3219
             Project: Apache YuniKorn
          Issue Type: Sub-task
          Components: core - scheduler
            Reporter: Manikandan R
            Assignee: Manikandan R


If a pod has a reservation on a node the quota change could prevent the 
reservation from ever be used:
 * queue A with 1000 GB quota

 * usage of queue A is 900 GB

 * pod that needs placing is 64 GB, large node is needed

 * node is not available and a node is reserved

Quota change is made:
 * quota is lowered to below 900 GB the reservation cannot be full filled until 
usage drops below new quota - 64GB → result remove the reservation

There might be more cases that need checking



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