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https://issues.apache.org/jira/browse/YARN-2033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14096535#comment-14096535
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Junping Du commented on YARN-2033:
----------------------------------

Thanks [~zjshen] for updating the patch. I am reviewing it now and a major 
concern here is shall we replace GHS to base on TimelineStore by default? Or we 
should keep the original localFS implementation by default. Previous one sounds 
a little aggressive to me, especially for a new feature. Thoughts?

> Investigate merging generic-history into the Timeline Store
> -----------------------------------------------------------
>
>                 Key: YARN-2033
>                 URL: https://issues.apache.org/jira/browse/YARN-2033
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Zhijie Shen
>         Attachments: ProposalofStoringYARNMetricsintotheTimelineStore.pdf, 
> YARN-2033.1.patch, YARN-2033.2.patch, YARN-2033.3.patch, YARN-2033.4.patch, 
> YARN-2033.5.patch, YARN-2033.Prototype.patch, YARN-2033_ALL.1.patch, 
> YARN-2033_ALL.2.patch, YARN-2033_ALL.3.patch, YARN-2033_ALL.4.patch
>
>
> Having two different stores isn't amicable to generic insights on what's 
> happening with applications. This is to investigate porting generic-history 
> into the Timeline Store.
> One goal is to try and retain most of the client side interfaces as close to 
> what we have today.



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