[jira] [Created] (FLINK-12341) Add CLI command for rescaling

[Shang Yuanchun (Jira)]

Gary Yao created FLINK-12341:
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             Summary: Add CLI command for rescaling
                 Key: FLINK-12341
                 URL: https://issues.apache.org/jira/browse/FLINK-12341
             Project: Flink
          Issue Type: New Feature
          Components: Command Line Client
            Reporter: Gary Yao
            Assignee: Till Rohrmann


The REST rescaling calls should be made accessible via the {{CliFrontend}}. In order to do that I propose to add a {{modify}} command to the {{CliFrontend}} to which we can pass a new parallelism.



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