[jira] [Created] (FLINK-12036) Simplify ExecutionGraph by removing legacy concurrency code

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-12036:
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             Summary: Simplify ExecutionGraph by removing legacy concurrency code
                 Key: FLINK-12036
                 URL: https://issues.apache.org/jira/browse/FLINK-12036
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
    Affects Versions: 1.8.0
            Reporter: Till Rohrmann


With FLINK-11417, we made the {{ExecutionGraph}} single threaded. Consequently all the logic which handles concurrent state changes is no longer needed (e.g. {{AtomicReferenceFieldUpdater}}, checking for concurrent changes, etc.). This issue is the umbrella to collect every legacy concurrency code which can be removed from the {{ExecutionGraph}}.



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