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https://issues.apache.org/jira/browse/FLINK-35417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17848485#comment-17848485
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Martijn Visser commented on FLINK-35417:
----------------------------------------

Per https://flink.apache.org/how-to-contribute/contribute-code/#consensus this 
should first be a discussion on the Dev mailing list before opening a Jira 
ticket. 

> JobManager and TaskManager support merging and run in a single process
> ----------------------------------------------------------------------
>
>                 Key: FLINK-35417
>                 URL: https://issues.apache.org/jira/browse/FLINK-35417
>             Project: Flink
>          Issue Type: Improvement
>          Components: API / Core
>            Reporter: melin
>            Priority: Major
>
> flink is widely used in data integration scenarios, where a single 
> concurrency is not high, and in many cases a single concurrency can run a 
> task. Consider the high availability, application mode, and large number of 
> JobManger nodes that cost a lot of resources. If the Session mode is used, 
> the stability is not high.
> In application mode, JobManager and TaskManager can be run together to 
> achieve reliability and save resources.
>  
>  



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