Rajesh Balamohan created TEZ-4171:
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Summary: 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
[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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