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https://issues.apache.org/jira/browse/FLINK-16517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17117788#comment-17117788
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Robert Metzger commented on FLINK-16517:
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I agree with Till that {{WindowJoin}} (and also {{TopSpeedWindowing.jar}}) are
two examples of self-contained streaming jobs, that are part of the examples
collection.
The review and maintenance overhead of making this example also long-running is
just not justified.
I propose to close this ticket as "Won't fix" and close the accompanying pull
request.
> Add a long running WordCount example
> ------------------------------------
>
> Key: FLINK-16517
> URL: https://issues.apache.org/jira/browse/FLINK-16517
> Project: Flink
> Issue Type: Improvement
> Components: Examples
> Reporter: Ethan Li
> Assignee: Ethan Li
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> As far as I know, flink doesn't have a long running WordCount example for
> users to start with or doing some simple tests.
> The closest one is SocketWindowWordCount. But it requires setting up a server
> (nc -l ), which is not hard, but still tedious for simple use cases. And it
> requires human input for the job to actually run.
> I propose to add or modify current WordCount example to have a SourceFunction
> that randomly generates input data based on a set of sentences, so the
> WordCount job can run forever. The generation ratio will be configurable.
> This will be the easiest way to start a long running flink job and can be
> useful for new users to start using flink quickly, or for developers to test
> flink easily.
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