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vinoyang commented on FLINK-14583:
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OK, will open a PR.
> Remove progressLock from ExecutionGraph
> ---------------------------------------
>
> Key: FLINK-14583
> URL: https://issues.apache.org/jira/browse/FLINK-14583
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: vinoyang
> Priority: Major
>
> There is a lock object named {{progressLock}} which used to secure all access to mutable
fields, especially the tracking of progress within the job. Now, the {{ExecutionGraph}} can
only be accessed by a single thread at any time point. IMO, we can remove this lock.
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