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https://issues.apache.org/jira/browse/FLINK-18690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhu Zhu closed FLINK-18690.
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Fix Version/s: 1.12.0
Resolution: Fixed
Done via:
2542d86861cd5dd94feb9fcc92ef8e06398c8241
cfda0e0bb743ac2573d51476ece35d3441a8018f
> Implement LocalInputPreferredSlotSharingStrategy
> ------------------------------------------------
>
> Key: FLINK-18690
> URL: https://issues.apache.org/jira/browse/FLINK-18690
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Andrey Zagrebin
> Assignee: Zhu Zhu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
> Attachments: case1.png
>
>
> Implement ExecutionSlotSharingGroup, SlotSharingStrategy and default
> LocalInputPreferredSlotSharingStrategy.
> The default strategy would be LocalInputPreferredSlotSharingStrategy. It will
> try to reduce remote data exchanges. Subtasks, which are connected and belong
> to the same SlotSharingGroup, tend to be put in the same
> ExecutionSlotSharingGroup.
> See [design
> doc|https://docs.google.com/document/d/10CbCVDBJWafaFOovIXrR8nAr2BnZ_RAGFtUeTHiJplw/edit#heading=h.t4vfmm4atqoy]
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