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https://issues.apache.org/jira/browse/FLINK-3178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen resolved FLINK-3178.
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Resolution: Fixed
Fix Version/s: 1.0.0
Fixed via c4e5a55f027ed73ce557f10d5125a0b168832889
> Make Closing Behavior of Window Operators Configurable
> ------------------------------------------------------
>
> Key: FLINK-3178
> URL: https://issues.apache.org/jira/browse/FLINK-3178
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Affects Versions: 1.0.0
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Priority: Blocker
> Fix For: 1.0.0
>
>
> Right now, all window operators emit (incomplete) in-flight windows when they
> are closing down. This happens for two reasons:
> 1. sources emit a final Long.MAX_VALUE watermark to flush out windows when
> they close.
> 2. window operators emit in-flight windows in their close() method
> For some users this might not be the desired behavior so we should either
> change it or make it configurable.
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