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https://issues.apache.org/jira/browse/FLINK-1797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14385476#comment-14385476
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Gyula Fora commented on FLINK-1797:
-----------------------------------
Jumping window is a sliding window where the slide size is larger than the
window size. This should be implemented similarly to the Tumbling and Sliding
prereducers. A WindowBuffer needs to be implemented to achieve this behaviour
which afterwards needs to be added to the getWindowBuffer method of the
WindowedDataStream.
> Add jumping pre-reducer for Count and Time windows
> --------------------------------------------------
>
> Key: FLINK-1797
> URL: https://issues.apache.org/jira/browse/FLINK-1797
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Gyula Fora
> Fix For: 0.9
>
>
> There is currently only support for sliding and tumbling windows. This should
> be an easy extension of the tumbling pre-reducer
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