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https://issues.apache.org/jira/browse/MAPREDUCE-598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved MAPREDUCE-598.
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Resolution: Fixed
This has been fixed in a variety of use cases. Closing.
> Streaming: better conrol over input splits
> ------------------------------------------
>
> Key: MAPREDUCE-598
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-598
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: contrib/streaming
> Reporter: arkady borkovsky
>
> In steaming, the map command usually expect to receive it's input
> uninterpreted -- just as it is stored in DFS.
> However, the split (the beginning and the end of the portion of data that
> goes to a single map task) is often important and is not "any line break".
> Often the input consists of multi-line docments -- e.g. in XML.
> There should be a way to specify a pattern that separates logical records.
> Existing "Streaming XML record reader" kind of provides this functionality.
> However, it is accepted that "Streaming XML" is a hack and needs to be
> replaced
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