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https://issues.apache.org/jira/browse/SPARK-16407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15498389#comment-15498389
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holdenk commented on SPARK-16407:
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The current sink interface output depends on DataFrames - although because of
limitations doing transformations on them requires converting to RDDs - but if
you directly go to an action I don't think it depends on RDDs. This does seem a
little tangential to allowing the user to supply the sink in user friendly
manner, but improving both are important.
> Allow users to supply custom StreamSinkProviders
> ------------------------------------------------
>
> Key: SPARK-16407
> URL: https://issues.apache.org/jira/browse/SPARK-16407
> Project: Spark
> Issue Type: Improvement
> Components: Streaming
> Reporter: holdenk
>
> The current DataStreamWriter allows users to specify a class name as format,
> however it could be easier for people to directly pass in a specific provider
> instance - e.g. for user equivalent of ForeachSink or other sink with
> non-string parameters.
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