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https://issues.apache.org/jira/browse/FLINK-14130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16934193#comment-16934193
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Kostas Kloudas commented on FLINK-14130:
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Thanks for opening this! I have a branch that removes some of the "run()" 
methods already so probably I can work on that and [~Tison] may be able to help 
with reviewing it.

> Remove ClusterClient.run() methods
> ----------------------------------
>
>                 Key: FLINK-14130
>                 URL: https://issues.apache.org/jira/browse/FLINK-14130
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Client / Job Submission
>            Reporter: Aljoscha Krettek
>            Priority: Major
>
> {{ClusterClient}} is an internal interface of the {{flink-clients}} package. 
> It should only be concerned with submitting {{JobGraphs}} to a cluster, which 
> is what {{submitJob()}} does. 
> The {{run()}} methods are concerned with unpacking programs or job-with-jars 
> and at the end use {{submitJob()}} in some way, they should reside in some 
> other component. The only valid remaining run method is {{run(PackagedProgram 
> prog, int parallelism)}}, this could be in {{PackagedProgramUtils}}. The 
> other {{run()}} methods are actually only used in one test: 
> {{ClientTest.shouldSubmitToJobClient()}}. I don't think that test is valid 
> anymore, it evolved for a very long time and now doesn't test what it was 
> supposed to test once.



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