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Posted to dev@flink.apache.org by "Weijie Guo (Jira)" <ji...@apache.org> on 2022/11/10 08:56:00 UTC

[jira] [Created] (FLINK-29975) Let hybrid full spilling strategy supports partition reuse

Weijie Guo created FLINK-29975:
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             Summary: Let hybrid full spilling strategy supports partition reuse
                 Key: FLINK-29975
                 URL: https://issues.apache.org/jira/browse/FLINK-29975
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Network
    Affects Versions: 1.17.0
            Reporter: Weijie Guo
            Assignee: Weijie Guo


Partition reuse is a very useful optimization in some topologies. In essence, multiple downstream tasks consume the same subpartition's data. Therefore, hybrid shuffle should also enjoy the benefits it brings. After FLINK-28889, we are finally able to achieve repeated consumption at the subpartition level for hybrid full spilling strategy, so let's make it better.



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