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https://issues.apache.org/jira/browse/FLINK-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16071226#comment-16071226
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Robert Metzger commented on FLINK-1722:
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I think we should add a check to the code. Silently ignoring the interface in
the streaming api is not a good system behavior
> Streaming not respecting FinalizeOnMaster for output formats
> ------------------------------------------------------------
>
> Key: FLINK-1722
> URL: https://issues.apache.org/jira/browse/FLINK-1722
> Project: Flink
> Issue Type: Bug
> Components: DataStream API
> Reporter: Robert Metzger
>
> The Hadoop output formats execute a process in the end to move the produced
> files from a temp directory to the final location.
> The batch API is annotating output formats that execute something in the end
> with the {{FinalizeOnMaster}} interface.
> The streaming component is not respecting this interface. Hence,
> HadoopOutputFormats aren't writing their final data into the desired
> destination.
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