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https://issues.apache.org/jira/browse/YARN-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14314748#comment-14314748
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Sangjin Lee commented on YARN-2928:
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bq. How is a workflow defined when an entity has 2 parents? Considering the
tez-hive example, do you agree that both a Hive Query and a Tez application are
workflows and share some entities?
Can it be handled as a "flow of flows" as described in the design? For
instance, tez application <-- hive queries <-- YARN apps? Or does it not
capture the relationship?
> 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: Sangjin Lee
> 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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