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https://issues.apache.org/jira/browse/FLINK-23648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski closed FLINK-23648.
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Resolution: Fixed
merged commit fad1bc5 into apache:master now
> Drop StreamTwoInputProcessor in favour of StreamMultipleInputProcessor
> ----------------------------------------------------------------------
>
> Key: FLINK-23648
> URL: https://issues.apache.org/jira/browse/FLINK-23648
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Task
> Affects Versions: 1.14.0
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.14.0
>
>
> StreamTwoInputProcessor is less efficient and can be simply replaced with
> StreamMultipleInputProcessor. This also solves a performance problem for
> FLINK-23541, where initial version was causing a performance regression in
> two input processor, while multiple input was working fine. Hence instead of
> optimising StreamTwoInputProcessor, it's just simpler to drop it.
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