Kurt Young created FLINK-13867:
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Summary: Write file only once when doing blocking broadcast shuffle
Key: FLINK-13867
URL: https://issues.apache.org/jira/browse/FLINK-13867
Project: Flink
Issue Type: New Feature
Components: Runtime / Network
Reporter: Kurt Young
When doing broadcast shuffle in BATCH/BLOCKING fashion, the producer can only
write one copy of output data for all possible consumers, instead of writing
one copy of data for each consumer.
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