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https://issues.apache.org/jira/browse/FLINK-2680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen closed FLINK-2680.
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> Create a dedicated aligned-event time window operator
> -----------------------------------------------------
>
> Key: FLINK-2680
> URL: https://issues.apache.org/jira/browse/FLINK-2680
> Project: Flink
> Issue Type: Sub-task
> Components: Streaming
> Affects Versions: 0.10.0
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.0.0
>
>
> Aligned event time windows (where every key triggers and evicts in the same
> way) are the most common case, and should have a dedicated high-performance
> implementation that supports:
> - pre-aggregated state
> - non aggregated state
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