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https://issues.apache.org/jira/browse/FLINK-2111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567406#comment-14567406
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Matthias J. Sax commented on FLINK-2111:
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Thanks for the feedback. Renaming the signal name is easy. There was a
discussion at the mailing list about this featrue and had an objection to
"terminate" so I used it in the first version.
About the checkpoint: As menstioned in the JIRA description there is already
another JIRA for the checkpoint issue. IHMO, this can be handle after the new
signal is intruduced.
And it's of course up to you, if this goes into the next release or not.
> Add "terminate" signal to cleanly stop 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 "terminate" signal, will only affect streaming source
> tasks such that the sources can stop emitting data and terminate cleanly,
> resulting in a clean termination of the whole streaming job.
> This feature is a pre-requirment for
> https://issues.apache.org/jira/browse/FLINK-1929
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