[jira] [Created] (FLINK-19037) Introduce proper IO executor in Dispatcher

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-19037:
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             Summary: Introduce proper IO executor in Dispatcher
                 Key: FLINK-19037
                 URL: https://issues.apache.org/jira/browse/FLINK-19037
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
    Affects Versions: 1.12.0
            Reporter: Robert Metzger


Currently, IO operations in the {{Dispatcher}} are scheduled on the {{rpcService.getExecutor()}}.

We should introduce a separate executor for IO operations.



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