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https://issues.apache.org/jira/browse/FLINK-36575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-36575:
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Labels: pull-request-available (was: )
> ExecutionVertexInputInfo supports consuming subpartition groups
> ---------------------------------------------------------------
>
> Key: FLINK-36575
> URL: https://issues.apache.org/jira/browse/FLINK-36575
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Lei Yang
> Priority: Major
> Labels: pull-request-available
>
> Currently, the ExecutionVertexInputInfo describes the task's input through a
> combination of a PartitionRange and a SubpartitionRange. However, in the case
> of skewed join optimization, we need to split a group of data corresponding
> to the specific key, which may result in a downstream task subscribing to
> multiple combinations of PartitionRanges and SubpartitionRanges.
> Therefore, we need to modify the ExecutionVertexInputInfo to describe the
> input data as multiple combinations of PartitionRanges and SubpartitionRanges
> to meet the requirements of the aforementioned scenario and improve Flink's
> flexibility in describing the task's inputs.
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