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Posted to issues@flink.apache.org by "Zhu Zhu (Jira)" <ji...@apache.org> on 2021/03/30 10:12:00 UTC

[jira] [Closed] (FLINK-20757) Optimize data broadcast for sort-merge shuffle

     [ https://issues.apache.org/jira/browse/FLINK-20757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhu Zhu closed FLINK-20757.
---------------------------
    Resolution: Fixed

Done via ae0a615f4490c548fcb53b15d2f6f0595371d303

> 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
>              Labels: pull-request-available
>             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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