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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-261) when map outputs are lost, nothing is shown in the webapp about why the map task failed
Date Tue, 19 Sep 2006 17:48:23 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-261?page=all ]

Owen O'Malley updated HADOOP-261:
---------------------------------

    Attachment: map-out-lost.patch

This patch adds a diagnostic message to the task to explain why it move from success to failed
when a map output file can not be read.

> when map outputs are lost, nothing is shown in the webapp about why the map task failed
> ---------------------------------------------------------------------------------------
>
>                 Key: HADOOP-261
>                 URL: http://issues.apache.org/jira/browse/HADOOP-261
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.2.1
>            Reporter: Owen O'Malley
>         Assigned To: Owen O'Malley
>         Attachments: map-out-lost.patch
>
>
> When a task tracker invokes mapOutputLost, it does not include a diagnostic that lets
the user (or the web app) know what failed in the map. I want to add a diagnostic message.

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