Andrey Zagrebin created FLINK-18690:
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Summary: Implement LocalInputPreferredSlotSharingStrategy
Key: FLINK-18690
URL: https://issues.apache.org/jira/browse/FLINK-18690
Project: Flink
Issue Type: Sub-task
Reporter: Andrey Zagrebin
Assignee: Zhu Zhu
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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