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https://issues.apache.org/jira/browse/FLINK-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14717306#comment-14717306
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ASF GitHub Bot commented on FLINK-2111:
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Github user mjsax commented on the pull request:
https://github.com/apache/flink/pull/750#issuecomment-135523032
I just pushed three commits on top addressing your comment. The first two,
include reworking all test cases in a whole package each, to change the test
pattern from "catch -> print StackTrace -> fail" to "don't-catch and fail
directly". This changes include a few other clean up tasks in those test. Of
course I run the test without error. But please review carefully to make sure I
did not break anything.
> Add "stop" signal to cleanly shutdown streaming jobs
> ----------------------------------------------------
>
> Key: FLINK-2111
> URL: https://issues.apache.org/jira/browse/FLINK-2111
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Runtime, JobManager, Local Runtime,
> Streaming, TaskManager, Webfrontend
> Reporter: Matthias J. Sax
> Assignee: Matthias J. Sax
> Priority: Minor
>
> Currently, streaming jobs can only be stopped using "cancel" command, what is
> a "hard" stop with no clean shutdown.
> The new introduced "stop" signal, will only affect streaming source tasks
> such that the sources can stop emitting data and shutdown cleanly, resulting
> in a clean shutdown of the whole streaming job.
> This feature is a pre-requirment for
> https://issues.apache.org/jira/browse/FLINK-1929
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