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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1151) streaming PipeMapRed prints system info to stderr
Date Thu, 22 Mar 2007 23:16:32 GMT
streaming PipeMapRed prints system info to stderr

                 Key: HADOOP-1151
                 URL: https://issues.apache.org/jira/browse/HADOOP-1151
             Project: Hadoop
          Issue Type: Bug
          Components: contrib/streaming
            Reporter: Koji Noguchi
         Assigned To: Koji Noguchi
            Priority: Trivial

In streaming, user task's stderr is filled with following output from the streaming infrastructure.

R/W/S=4316801/4316308/0 in:73166=4316801/59 [rec/s] out:73157=4316308/59 [rec/s]
R/W/S=4316901/4316424/0 in:73167=4316901/59 [rec/s] out:73159=4316425/59 [rec/s]
R/W/S=4317001/4316470/0 in:73169=4317001/59 [rec/s] out:73160=4316470/59 [rec/s]
R/W/S=4317101/4316723/0 in:73171=4317101/59 [rec/s] out:73164=4316724/59 [rec/s]
R/W/S=4317201/4316772/0 in:73172=4317201/59 [rec/s] out:73165=4316773/59 [rec/s]
R/W/S=4317301/4316905/0 in:73174=4317301/59 [rec/s] out:73167=4316905/59 [rec/s]
R/W/S=4317401/4316946/0 in:73176=4317401/59 [rec/s] out:73168=4316946/59 [rec/s]

This can hit the size limit and delete users' actual stderr messages.

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