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Posted to dev@streams.apache.org by "Steve Blackmon (JIRA)" <ji...@apache.org> on 2014/12/11 18:22:13 UTC
[jira] [Commented] (STREAMS-253) Print the specified number of data
and handle all of the elements in RDD
[ https://issues.apache.org/jira/browse/STREAMS-253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14242822#comment-14242822 ]
Steve Blackmon commented on STREAMS-253:
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Hi, I think you may have meant to submit this to SPARK ?
> Print the specified number of data and handle all of the elements in RDD
> ------------------------------------------------------------------------
>
> Key: STREAMS-253
> URL: https://issues.apache.org/jira/browse/STREAMS-253
> Project: Streams
> Issue Type: New Feature
> Reporter: 宿荣全
> Priority: Minor
>
> Dstream.print function:Print 10 elements and handle 11 elements.
> A new function based on Dstream.print function is presented:
> the new function:
> Print the specified number of data and handle all of the elements in RDD.
> there is a work scene:
> val dstream = stream.map->filter->mapPartitions->print
> the data after filter need update database in mapPartitions,but don't need print each data,only need to print the top 20 for view the data processing.
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