[jira] [Created] (YARN-6030) Eliminate timelineServiceV2 boolean flag in TimelineClientImpl

["Li Lu (JIRA)" <ji...@apache.org>]

Li Lu created YARN-6030:
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             Summary: Eliminate timelineServiceV2 boolean flag in TimelineClientImpl
                 Key: YARN-6030
                 URL: https://issues.apache.org/jira/browse/YARN-6030
             Project: Hadoop YARN
          Issue Type: Sub-task
    Affects Versions: YARN-5355
            Reporter: Li Lu
            Priority: Minor


I just discovered that we're still using a boolean flag {{timelineServiceV2}} after we introduced {{timelineServiceVersion}}. This sounds a little bit error-pruning. After the discussion I think we should only use and trust {{timelineServiceVersion}}. {{timelineServiceV2}} is set upon client creation. Instead of creating a v2 client and set this flag, maybe we'd like to do some sanity check and make sure the creation call is consistent with the configuration? 



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