[jira] [Created] (FLINK-12039) Remove ASSIGNED_SLOT_UPDATER in Execution.tryAssignResource

[Shang Yuanchun (Jira)]

Andrey Zagrebin created FLINK-12039:
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             Summary: Remove ASSIGNED_SLOT_UPDATER in Execution.tryAssignResource
                 Key: FLINK-12039
                 URL: https://issues.apache.org/jira/browse/FLINK-12039
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Coordination
            Reporter: Andrey Zagrebin


After making access to ExecutionGraph single-threaded in FLINK-11417, we can simplify execution slot assignment in Execution.tryAssignResource and get rid of ASSIGNED_SLOT_UPDATER as it happens now only in one JM main thread. Though, it seems that we have to keep `assignedResource` as volatile at the moment which could be further investigated.



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