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https://issues.apache.org/jira/browse/FLINK-12528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16847389#comment-16847389
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Andrey Zagrebin commented on FLINK-12528:
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[~yanghua] what is the status here?
> Remove progressLock in ExecutionGraph
> -------------------------------------
>
> Key: FLINK-12528
> URL: https://issues.apache.org/jira/browse/FLINK-12528
> 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 progressLock from {{ExecutionGraph}}.
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