[jira] [Created] (FLINK-14640) Change Type of Field currentExecutions from ConcurrentHashMap to HashMap

[Shang Yuanchun (Jira)]

vinoyang created FLINK-14640:
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             Summary: Change Type of Field currentExecutions from ConcurrentHashMap to HashMap
                 Key: FLINK-14640
                 URL: https://issues.apache.org/jira/browse/FLINK-14640
             Project: Flink
          Issue Type: Sub-task
            Reporter: vinoyang


After FLINK-11417, we made ExecutionGraph be a single-thread mode. It will no longer be plagued by concurrency issues. So, we can degenerate the current ConcurrentHashMap type of currentExecutions to a normal HashMap type.



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