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From "arkady borkovsky (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-478) Streaming should deliver stderr to the user.
Date Thu, 24 Aug 2006 23:39:15 GMT
Streaming should deliver stderr to the user.
--------------------------------------------

                 Key: HADOOP-478
                 URL: http://issues.apache.org/jira/browse/HADOOP-478
             Project: Hadoop
          Issue Type: Bug
          Components: contrib/streaming
            Reporter: arkady borkovsky


Streaming should collect stderr output of -mapper and - reduces steps and put it into the
place accessible by the user.
E.g. it can go into
/user/name/stderr/job-id/task-id.txt

This is indpendent from MapReduce framework catching stderr of "normal" Java MapReduce jobs.
 
A Java programmer has many ways to handle the problem on her own (at least until the framework
matures and provides more help).
Unlike her, a user of Streaming has no access to files.  
Therefore it is an immediate requirement for Streaming to provide its own support for delivering
this critical data to the user.

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