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https://issues.apache.org/jira/browse/TEZ-2672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17103983#comment-17103983
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Rajesh Balamohan commented on TEZ-2672:
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Thanks for sharing the patch [~abstractdog] . It may be easier to expose
"getConf" in "DagInfo" to fix this issue.
[https://github.com/apache/tez/blob/master/tez-api/src/main/java/org/apache/tez/serviceplugins/api/DagInfo.java]
[https://github.com/apache/tez/blob/master/tez-dag/src/main/java/org/apache/tez/dag/app/dag/DAG.java]
DAGImpl takes care of setting the relevant configs (user can specify DAG
related prop in setDagConf).
[https://github.com/apache/tez/blob/master/tez-dag/src/main/java/org/apache/tez/dag/app/dag/impl/DAGImpl.java#L520]
[https://github.com/apache/tez/blob/master/tez-dag/src/main/java/org/apache/tez/dag/app/dag/impl/DAGImpl.java#L617]
TezTaskCommunicatorImpl should be able to access this config via the context.
> 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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