Aravindan Vijayan created HDDS-4403:
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             Summary: Update the container replica history to the Recon DB 
lazily instead of for every report.
                 Key: HDDS-4403
                 URL: https://issues.apache.org/jira/browse/HDDS-4403
             Project: Hadoop Distributed Data Store
          Issue Type: Task
            Reporter: Aravindan Vijayan
             Fix For: 1.1.0


Recon tracks the history for every container replica on the Ozone cluster. To 
track this, it keeps track of the last timestamp of a replica on a DN through 
reports. This becomes a SQL DB scan + write operation for every container 
report received (1 million per minute). 

This has to be changed into a lazy update of DB to support better scalability. 
Details on how to achieve this will be added to the JIRA later.



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