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https://issues.apache.org/jira/browse/FLINK-31843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-31843:
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Labels: pull-request-available (was: )
> Select slots from SlotPool#freeSlots in bulk
> --------------------------------------------
>
> Key: FLINK-31843
> URL: https://issues.apache.org/jira/browse/FLINK-31843
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Weihua Hu
> Priority: Major
> Labels: pull-request-available
>
> we should also reduce the number of calls of "getFreeSlotInformations". In
> current implementation, the scheduler will batch request slots for tasks in
> the same pipeline region(ExecutionSlotAllocator#allocateSlotsFor), but the
> slot allocator will process these requests one by one, and call
> "getFreeSlotInformations" once for each request.
> We can optimize it to call "getFreeSlotInformations" once for a bulk (of slot
> requests), instead of once for each slot request.
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