[jira] [Created] (FLINK-8458) Add the switch for keeping both the old mode and the new credit-based mode

[Shang Yuanchun (Jira)]

zhijiang created FLINK-8458:
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             Summary: Add the switch for keeping both the old mode and the new credit-based mode
                 Key: FLINK-8458
                 URL: https://issues.apache.org/jira/browse/FLINK-8458
             Project: Flink
          Issue Type: Task
          Components: Network
            Reporter: zhijiang
            Assignee: zhijiang


After the whole feature of credit-based flow control is done, we should add a config parameter to switch on/off the new credit-based mode. To do so, we can roll back to the old network mode for any expected risks.

The parameter is defined as \{{taskmanager.network.credit-based-flow-control.enabled}} and the default value is true. This switch may be removed after next release.



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