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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