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https://issues.apache.org/jira/browse/FLINK-12039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16966567#comment-16966567
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vinoyang commented on FLINK-12039:
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[~gjy] Will open a PR for this issue,
> Remove ASSIGNED_SLOT_UPDATER in Execution.tryAssignResource
> -----------------------------------------------------------
>
> Key: FLINK-12039
> URL: https://issues.apache.org/jira/browse/FLINK-12039
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Andrey Zagrebin
> Assignee: vinoyang
> Priority: Minor
>
> After making access to ExecutionGraph single-threaded in FLINK-11417, we can
> simplify execution slot assignment in Execution.tryAssignResource and get rid
> of ASSIGNED_SLOT_UPDATER as it happens now only in one JM main thread.
> Though, it seems that we have to keep `assignedResource` as volatile at the
> moment which could be further investigated.
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