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https://issues.apache.org/jira/browse/YARN-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15018447#comment-15018447
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Varun Saxena commented on YARN-4053:
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Thanks [~sjlee0] for the review and commit. And [~jrottinghuis] and
[~vrushalic] for the reviews.
> 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
> Fix For: YARN-2928
>
> 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,
> YARN-4053-feature-YARN-2928.06.patch, YARN-4053-feature-YARN-2928.07.patch,
> YARN-4053-feature-YARN-2928.08.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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