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From "Rick Cox (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5623) Streaming: process provided status messages are overwritten every 10 seoncds
Date Fri, 03 Apr 2009 17:54:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Cox updated HADOOP-5623:
-----------------------------

    Attachment: HADOOP-5623-streaming-status.patch

This patch calls reporter.progress() instead of reporter.setStatus("Records R/W...") in the
case where the streaming process has provided a status message.

It also adds a test case for the "reporter:status:" syntax, which covers this problem since
the test task writes the status before writing the first line of output, so without this patch,
the status is immediately overwritten:

    [junit] Running org.apache.hadoop.streaming.TestStreamingStatus
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 19.121 sec

ant test-patch indicates an eclipse classpath change, which I don't understand:

     [exec] -1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 6 new or modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec] 
     [exec]     -1 Eclipse classpath. The patch causes the Eclipse classpath to differ from
the contents of the lib directories.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
     [exec] 
     [exec] 


> Streaming: process provided status messages are overwritten every 10 seoncds
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-5623
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5623
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/streaming
>    Affects Versions: 0.19.0, 0.19.1
>            Reporter: Rick Cox
>            Assignee: Rick Cox
>         Attachments: HADOOP-5623-streaming-status.patch
>
>
> Every 10 seconds (if the streaming process is producing output key/values on stdout),
PipeMapRed sets the task's status string to "Records R/W=N/N". This replaces any custom task
status that the streaming process may have specified using the "reporter:status:" stderr lines.

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