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https://issues.apache.org/jira/browse/FLINK-29665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17652833#comment-17652833
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Lijie Wang commented on FLINK-29665:
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Done via master:
3881e53003adce22fd0a0fbd9a229d70d27a9cce
1d433fb4b72d74b1aa0cfa8ac7a9f7fed22bce32
> Support flexible subpartition range divisions
> ---------------------------------------------
>
> Key: FLINK-29665
> URL: https://issues.apache.org/jira/browse/FLINK-29665
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Lijie Wang
> Assignee: Lijie Wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.17.0
>
>
> Currently, the subpartition range division algorithm is fixed
> (data-independent), and the *TaskDeploymentDescriptor(TDD)* can be generated
> according to the number of subpartitions and downstream parallelism. In order
> to support dividing according to the amount of data in the subpartition
> range, the scheduler needs to support flexible subpartition range divisions.
> The scheduler will be responsible for deciding the subpartition range
> division infos for each job vertex, and then pass the division infos to job
> vertices when initializing them.
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