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https://issues.apache.org/jira/browse/TEZ-2672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17103130#comment-17103130
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László Bodor commented on TEZ-2672:
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could you please take a look at the patch [~rbalamohan], [~sseth], [~ashutoshc]?
in the patch
1. there is an introduced DAG.setDAGPayload in tez-api
2. the payload is wrapped in the dag plan and used by dag app master
3. the payload is exposed to task communicator through DAG/DAGImpl
(4. unrelated: removed a misleading, outdated comment in
TezContainerLauncherImpl)
> Allow specifying a new payload for plugins when a new DAG starts
> ----------------------------------------------------------------
>
> Key: TEZ-2672
> URL: https://issues.apache.org/jira/browse/TEZ-2672
> Project: Apache Tez
> Issue Type: Sub-task
> Affects Versions: TEZ-2003
> Reporter: Siddharth Seth
> Assignee: László Bodor
> Priority: Major
> Attachments: TEZ-2672.01.patch, TEZ-2672.02.patch
>
>
> This can include information specific to the DAG - constant query
> identifiers, etc.
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