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https://issues.apache.org/jira/browse/FLINK-2286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14701255#comment-14701255
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ASF GitHub Bot commented on FLINK-2286:
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Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/994
> Window ParallelMerge sometimes swallows elements of the last window
> -------------------------------------------------------------------
>
> Key: FLINK-2286
> URL: https://issues.apache.org/jira/browse/FLINK-2286
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 0.9, 0.10
> Reporter: Márton Balassi
> Assignee: Gábor Hermann
> Fix For: 0.9.1
>
>
> Last windows in the stream that do not have parts at all the parallel
> operator instances get swallowed by the ParallelMerge.
> To resolve this ParallelMerge should be an operator instead of a function, so
> the close method can access the collector and emit these.
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