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https://issues.apache.org/jira/browse/FLINK-19621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17411356#comment-17411356
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Bai Xin commented on FLINK-19621:
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I've read the design doc which contains both batch and streaming changes, but I
found Flink 1.12 Release only support batch processing. What's the reason that
1.12 don't support streaming? And do you have a further plan to support it?
> Introduce Multi-input operator in Blink planner
> -----------------------------------------------
>
> Key: FLINK-19621
> URL: https://issues.apache.org/jira/browse/FLINK-19621
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / Planner, Table SQL / Runtime
> Reporter: Caizhi Weng
> Priority: Minor
> Labels: auto-deprioritized-major
>
> As runtime now supports multi-input tasks and source chaining, we're going to
> introduce multi-input operator in Blink planner to remove unnecessary
> shuffle, thus improve the performance for both batch and streaming.
> Design doc:
> https://docs.google.com/document/d/1qKVohV12qn-bM51cBZ8Hcgp31ntwClxjoiNBUOqVHsI/edit
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