Anubhav Dhoot created YARN-4185:
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             Summary: Retry interval delay for NM client can be improved from 
the fixed static retry 
                 Key: YARN-4185
                 URL: https://issues.apache.org/jira/browse/YARN-4185
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Anubhav Dhoot
            Assignee: Anubhav Dhoot


Instead of having a fixed retry interval that starts off very high and stays 
there, we are better off using an exponential backoff that has the same fixed 
max limit. Today the retry interval is fixed at 10 sec that can be 
unnecessarily high especially when NMs could rolling restart within a sec.



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