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Date: Fri, 5 May 2006 18:11:28 +0000 (GMT+00:00)
From: "Owen O'Malley (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Resolved: (HADOOP-182) lost task trackers should not update
 status of completed jobs
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     [ http://issues.apache.org/jira/browse/HADOOP-182?page=all ]
     
Owen O'Malley resolved HADOOP-182:
----------------------------------

    Fix Version: 0.2
                     (was: 0.3)
     Resolution: Fixed

> lost task trackers should not update status of completed jobs
> -------------------------------------------------------------
>
>          Key: HADOOP-182
>          URL: http://issues.apache.org/jira/browse/HADOOP-182
>      Project: Hadoop
>         Type: Bug

>   Components: mapred
>     Versions: 0.1.1
>     Reporter: Owen O'Malley
>     Assignee: Owen O'Malley
>      Fix For: 0.2
>  Attachments: lost-tracker.patch
>
> When a Task Tracker is lost (by not sending a heartbeat for 10 minutes), the JobTracker marks the tasks that were active on that node as failed. There are two issues:
>    1. No task from a completed or failed job should be modified.
>    2. No reduces should be marked as failed, since their output is in dfs and therefore not only on the dead node.

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