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https://issues.apache.org/jira/browse/FLINK-8528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16534561#comment-16534561
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Stephan Ewen commented on FLINK-8528:
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Not sure if this is actually beneficial, performance wise.
One would need to append rows across timestamps to a list that is expensive to
modify and would need to have an additional filter within that list.
My feeling is that having a SortedMapState is the way to go and will have the
benefits that this approach is looking at, without the downsides of this
approach.
> Bucket MapState of TimeBoundedStreamJoinOperator for improved performance
> -------------------------------------------------------------------------
>
> Key: FLINK-8528
> URL: https://issues.apache.org/jira/browse/FLINK-8528
> Project: Flink
> Issue Type: Sub-task
> Reporter: Florian Schmidt
> Priority: Major
>
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