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From "Hitesh Shah (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2928) Application Timeline Server (ATS) next gen: phase 1
Date Fri, 06 Feb 2015 01:25:38 GMT

    [ https://issues.apache.org/jira/browse/YARN-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308413#comment-14308413

Hitesh Shah commented on YARN-2928:

More questions: 

What are the main differences between meta-data and configuration? 
What search/sort/aggregate/count functionality is plan to be supported? It seems based on
the design doc, certain functionality is not supported on configuration. Does this mean that
it is simpler to dump all the data into the meta-data to make it searchable?
Where does the current implementation's "otherInfo" and "primaryFilters" fit in? 
What use are events? Will there be a "streaming" API available to listen to all events based
on some search criteria? If there is a hierarchy of objects, will there be support to listen
to or retrieve all events for a given tree by providing a root node?
How does an application define a relationship for its entity to a system entity?



> Application Timeline Server (ATS) next gen: phase 1
> ---------------------------------------------------
>                 Key: YARN-2928
>                 URL: https://issues.apache.org/jira/browse/YARN-2928
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Critical
>         Attachments: ATSv2.rev1.pdf, ATSv2.rev2.pdf, Data model proposal v1.pdf
> We have the application timeline server implemented in yarn per YARN-1530 and YARN-321.
Although it is a great feature, we have recognized several critical issues and features that
need to be addressed.
> This JIRA proposes the design and implementation changes to address those. This is phase
1 of this effort.

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