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https://issues.apache.org/jira/browse/FLINK-2313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14611729#comment-14611729
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Gyula Fora commented on FLINK-2313:
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I think this would be a very cool change. I also don't like the blocking
execute calls, once it is removed we can nicely integrate a collect() method to
the data streams which will return the iterators over the streams like we have
now in the DataStreamUtils.
> Change Streaming Driver Execution Model
> ---------------------------------------
>
> Key: FLINK-2313
> URL: https://issues.apache.org/jira/browse/FLINK-2313
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Stephan Ewen
>
> I would propose the following change to the Streaming Execution Environment:
> When calling {{env.execute()}}, it does not block, but return an
> {{ExecutionContext}} object. This execution context has various methods, that
> allow you to control the execution:
> - waitFor() -> Blocks until the job terminates, or the connection to the
> JobManager is lost.
> - stop() -> initiates a clean stop
> - cancel() -> cancels the program
> - setParallelism() -> Later: adjusts the parallelism of the program
> If this is voted as desirable, I would make a design how to do this...
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