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https://issues.apache.org/jira/browse/FLINK-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gyula Fora resolved FLINK-1160.
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Resolution: Fixed
> Modify record readers to allow publishing events to specific inputs (instead
> of broadcast) in the union record reader
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-1160
> URL: https://issues.apache.org/jira/browse/FLINK-1160
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Runtime, Streaming
> Reporter: Gyula Fora
> Assignee: Gyula Fora
> Priority: Minor
>
> In order to do efficient record acknowledgments for fault tolerance we need
> to modify record readers to allow publishing events to specific inputs in the
> union record reader. Currently only broadcasting is supported for all inputs
> which is unnecessary for the acknowledgements and poses significant network
> overhead.
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