Bikas Saha created TEZ-1156:
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Summary: setParallelism in recovery does not send event to
downstream vertices
Key: TEZ-1156
URL: https://issues.apache.org/jira/browse/TEZ-1156
Project: Apache Tez
Issue Type: Sub-task
Reporter: Bikas Saha
In non-recovery case, downstream vertices are notified. If say, parallelism is
update and saved but the AM dies before downstream vertices get the event and
update their parallelism then the recovered AM will set the parallelism of the
recovered vertex but the downstream vertices may remain uninitialized.
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