Eli Schiff created YUNIKORN-1720:
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             Summary: Improve the performance of node.preAllocateCheck()
                 Key: YUNIKORN-1720
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1720
             Project: Apache YuniKorn
          Issue Type: Sub-task
            Reporter: Eli Schiff
            Assignee: Eli Schiff


The node.preAllocateCheck() function gets run a lot during the scheduling 
cycle. The function is effectively a boolean function, either the node can be 
allocated on or it cannot. Instead of returning a bool it returns nil for true 
and a full error message for false. The thing is, that error message is never 
read anywhere. From what I can tell, the only thing the code does is check if 
there is an error message but not the contents. By removing the error message 
code, it should improve performance.



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