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https://issues.apache.org/jira/browse/FLINK-12526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16841232#comment-16841232
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Till Rohrmann commented on FLINK-12526:
---------------------------------------

Let's do it step by step and only change the {{STATE_UPDATER}}. I would suggest 
to wait a bit with that because Gary is currently implementing the new 
{{Scheduler}} which also needs changes on the {{ExecutionGraph}}. There might 
be merge conflicts due to this work.

> Remove STATE_UPDATER in ExecutionGraph
> --------------------------------------
>
>                 Key: FLINK-12526
>                 URL: https://issues.apache.org/jira/browse/FLINK-12526
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>            Reporter: vinoyang
>            Assignee: vinoyang
>            Priority: Minor
>
> Since {{ExecutionGraph}} can only be accessed from a single 
> thread(FLINK-11417). We can remove the 
> {{AtomicReferenceFieldUpdater<ExecutionGraph, JobStatus> STATE_UPDATER}} from 
> {{ExecutionGraph}}.



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