Bikas Saha created TEZ-751:
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Summary: Vertex should not send START signal to destination
vertices until it parallelism is determined
Key: TEZ-751
URL: https://issues.apache.org/jira/browse/TEZ-751
Project: Apache Tez
Issue Type: Task
Reporter: Bikas Saha
Assignee: Bikas Saha
The destination vertices may start their own tasks upon getting the START
signal and this may be incorrect if the current vertex has not decided its
final number of tasks.
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