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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-185) tasks are lost during pollForNewTask
Date Tue, 02 May 2006 21:29:48 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-185?page=all ]

Owen O'Malley updated HADOOP-185:

    Attachment: launch-time-out-2.patch

Ok, this patch pulls the set of launching tasks into the runnable object that checks for expired

> tasks are lost during pollForNewTask
> ------------------------------------
>          Key: HADOOP-185
>          URL: http://issues.apache.org/jira/browse/HADOOP-185
>      Project: Hadoop
>         Type: Bug

>   Components: mapred
>     Versions: 0.1.1
>     Reporter: Owen O'Malley
>     Assignee: Owen O'Malley
>     Priority: Critical
>      Fix For: 0.2
>  Attachments: launch-time-out-2.patch, launch-time-out.patch
> There is the potential for "losing" tasks that are assigned by the JobTracker to a TaskTracker,
but that fail during returning the result (usually due to a RPC timeout). In this case, the
Job becomes "wedged" in that the tasks will never run and never time out.

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