Varun Saxena created YARN-4053:

             Summary: Change the way metric values are stored in HBase Storage
                 Key: YARN-4053
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: timelineserver
    Affects Versions: YARN-2928
            Reporter: Varun Saxena
            Assignee: Varun Saxena

Currently HBase implementation uses GenericObjectMapper is used to convert and 
store values in backend HBase storage. This converts everything into a string 
representation(ASCII/UTF-8 encoded byte array).
While this is fine in most cases, it does not quite serve our use case for 

So we need to decide how are we going to encode and decode metric values and 
store them in HBase.

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