Streaming should support addition output ("side-effect")
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Key: HADOOP-480
URL: http://issues.apache.org/jira/browse/HADOOP-480
Project: Hadoop
Issue Type: Bug
Components: contrib/streaming
Reporter: arkady borkovsky
-mapper and/or -reducer may write some files into their working directory.
It should be possible to specify names of such files to hadoop-streaming
command so that once a task is done these files are copied into HDFS to a
task-specific location.
E.g.
/user/name/side-output/job-ib/filename.task-id.attempt-id
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