Carlo Curino created YARN-5165:
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             Summary: NoOvercommitPolicy does not take advantage of RLE 
representation of plan
                 Key: YARN-5165
                 URL: https://issues.apache.org/jira/browse/YARN-5165
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Carlo Curino


As a consequence small time granularities (e.g., 1 sec) and long time horizon 
for a reservation (e.g., months) run rather slow (10 sec). 

Proposed resolution is to switch to interval math in checking, similar to how 
YARN-4359 does for agents.



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