[jira] [Created] (FLINK-14583) Remove progressLock from ExecutionGraph

[Shang Yuanchun (Jira)]

vinoyang created FLINK-14583:
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             Summary: 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


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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