Yingjie Cao created FLINK-20757:
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Summary: Optimize data broadcast for sort-merge shuffle
Key: FLINK-20757
URL: https://issues.apache.org/jira/browse/FLINK-20757
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Affects Versions: 1.12.0
Reporter: Yingjie Cao
Fix For: 1.13.0
For data broadcast, we can only copy the record once when writing data into
SortBuffer. Besides, we can write only one copy of data when spilling data into
disk. These optimizations can improve the performance of data broadcast.
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