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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3174) Add merging WindowAssigner
Date Tue, 05 Apr 2016 15:20:25 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15226441#comment-15226441

ASF GitHub Bot commented on FLINK-3174:

Github user aljoscha closed the pull request at:


> Add merging WindowAssigner
> --------------------------
>                 Key: FLINK-3174
>                 URL: https://issues.apache.org/jira/browse/FLINK-3174
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming
>            Reporter: Aljoscha Krettek
>            Assignee: Aljoscha Krettek
>             Fix For: 1.0.0
> We should add the possibility for WindowAssigners to merge windows. This will enable
Session windowing support, similar to how Google Cloud Dataflow supports.
> For session windows, each element would initially be assigned to its own window. When
triggering we check the windows and see if any can be merged. This way, elements with overlapping
session windows merge into one session.

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