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https://issues.apache.org/jira/browse/FLINK-36201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17878729#comment-17878729
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Rui Fan commented on FLINK-36201:
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Hey [~roman] [~dmvk] , would you mind taking a look this Jira in your free
time? thanks~
Please correct me if I missed some background, I could fix it if you think it
makes sense.
cc [~mapohl] , the active contributor of Adaptive Scheduler for now.
> StateLocalitySlotAssigner should be only used when local recovery is enabled
> for Adaptive Scheduler
> ---------------------------------------------------------------------------------------------------
>
> Key: FLINK-36201
> URL: https://issues.apache.org/jira/browse/FLINK-36201
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Reporter: Rui Fan
> Priority: Major
>
> SlotSharingSlotAllocator created the StateLocalitySlotAssigner[1] instead of
> DefaultSlotAssigner when failover happens.
> I'm curious why we use StateLocalitySlotAssigner when local recovery is
> disable. As I understand, StateLocalitySlotAssigner should be only used when
> local recovery is enable. If we don't backup state on the TM local disk, the
> local recovery doesn't take effect.
>
> [1]
> https://github.com/apache/flink/blob/c869326d089705475481c2c2ea42a6efabb8c828/flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adaptive/allocator/SlotSharingSlotAllocator.java#L136
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