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https://issues.apache.org/jira/browse/BEAM-3472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721543#comment-16721543
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Etienne Chauchot commented on BEAM-3472:
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Thanks [~mxm] for reviving this subject. I workarounded the absence of callback
by regularly watching in a thread the pipeline state and do a final push and
thread stopping.
But IMHO I still think such a callback could be useful.
> Create a callback triggered at the end of a batch in flink runner
> -----------------------------------------------------------------
>
> Key: BEAM-3472
> URL: https://issues.apache.org/jira/browse/BEAM-3472
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Reporter: Etienne Chauchot
> Priority: Major
>
> In the future we might add new features to the runners for which we might
> need to do some processing at the end of a batch. Currently there is not
> unique place (a callback) to add this processing.
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