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https://issues.apache.org/jira/browse/TEZ-4171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated TEZ-4171:
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Attachment: TEZ-4171.5.patch
> DAGImp::getDAGStatus should try to report RUNNING state information correctly
> -----------------------------------------------------------------------------
>
> Key: TEZ-4171
> URL: https://issues.apache.org/jira/browse/TEZ-4171
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Major
> Attachments: TEZ-4171.1.patch, TEZ-4171.2.patch, TEZ-4171.3.patch,
> TEZ-4171.4.patch, TEZ-4171.5.patch
>
>
> [https://github.com/apache/tez/blob/master/tez-dag/src/main/java/org/apache/tez/dag/app/dag/impl/DAGImpl.java#L593]
>
> [https://github.com/apache/tez/blob/master/tez-dag/src/main/java/org/apache/tez/dag/app/dag/impl/DAGImpl.java#L953]
>
> It is possible that the state changed to "RUNNING" and signaling was done.
> However, if getDAGStatus gets invoked later, it wouldn't receive any signal
> and ends up waiting until the timeout. For clients trying to report details
> on SUBMIT–>RUNNING, it ends up giving wrong picture.
>
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