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https://issues.apache.org/jira/browse/HADOOP-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Noguchi updated HADOOP-1151:
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Attachment: (was: 1151.patch)
> 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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