[jira] [Created] (TEZ-806) Ensure appropriate number of data movement events are generated by a task

["Bikas Saha (JIRA)" <ji...@apache.org>]

Bikas Saha created TEZ-806:
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             Summary: Ensure appropriate number of data movement events are generated by a task
                 Key: TEZ-806
                 URL: https://issues.apache.org/jira/browse/TEZ-806
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Bikas Saha


For every outgoing edge of a vertex, tasks need to produce data movement events for consumers. If a task does not produce a data movement event then the job will hang since the consumer task will be stuck waiting for input.
Additionally, if possible, we should check that the appropriate number of events have been produced. This may need enhancements to the edge manager API for custom edges.



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