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https://issues.apache.org/jira/browse/FLINK-20757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhu Zhu reassigned FLINK-20757:
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Assignee: Yingjie Cao
> 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
> Assignee: Yingjie Cao
> Priority: Major
> 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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