xingbe created FLINK-37382:
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Summary: Early optimization for adaptive join when one input is
below broadcast threshold
Key: FLINK-37382
URL: https://issues.apache.org/jira/browse/FLINK-37382
Project: Flink
Issue Type: Sub-task
Components: Runtime / Coordination
Affects Versions: 2.0.0
Reporter: xingbe
When the large table side has not yet initialized, if the small table side
finishes early and the output data volume is smaller than the broadcast
threshold, the adaptive join operator can be optimized to a broadcast hash join
in advance. This can help reduce network shuffle overhead.
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