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https://issues.apache.org/jira/browse/YARN-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15012422#comment-15012422
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Vrushali C commented on YARN-4053:
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Alright, [~sjlee0] explained to me that there are writes coming via REST, so it 
is okay to have the isIntegralValue check in there. Thanks [~sjlee0]! 

> Change the way metric values are stored in HBase Storage
> --------------------------------------------------------
>
>                 Key: YARN-4053
>                 URL: https://issues.apache.org/jira/browse/YARN-4053
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Varun Saxena
>            Assignee: Varun Saxena
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-4053-YARN-2928.01.patch, 
> YARN-4053-YARN-2928.02.patch, YARN-4053-feature-YARN-2928.03.patch, 
> YARN-4053-feature-YARN-2928.04.patch, YARN-4053-feature-YARN-2928.05.patch
>
>
> Currently HBase implementation uses GenericObjectMapper 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 
> metrics. 
> So we need to decide how are we going to encode and decode metric values and 
> store them in HBase.
>  



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