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https://issues.apache.org/jira/browse/FLINK-21734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-21734.
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Fix Version/s: (was: 1.13.0)
Resolution: Duplicate
> Allow BLOCKING result partition to be individually consumable
> -------------------------------------------------------------
>
> Key: FLINK-21734
> URL: https://issues.apache.org/jira/browse/FLINK-21734
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.11.3, 1.12.2, 1.13.0
> Reporter: Zhu Zhu
> Priority: Major
>
> Currently a BLOCKING result partition is consumable only when all the
> partitions of the corresponding IntermediateResult become consumable. This is
> an unnecessary complication and has caused some problems (FLINK-21707).
> Therefore I propose to simplify it to let BLOCKING result partitions be
> consumable individually.
> Note that this will result in the scheduling to become execution-vertex-wise
> instead of stage-wise, with a nice side effect towards better resource
> utilization. The PipelinedRegionSchedulingStrategy can be simplified along
> with change to get rid of the {{correlatedResultPartitions}}.
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