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From "Sameer Paranjpye (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-179) task tracker ghosts remain after 10 minutes
Date Mon, 01 May 2006 20:26:47 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-179?page=all ]

Sameer Paranjpye updated HADOOP-179:
------------------------------------

    Fix Version: 0.3

> task tracker ghosts remain after 10 minutes
> -------------------------------------------
>
>          Key: HADOOP-179
>          URL: http://issues.apache.org/jira/browse/HADOOP-179
>      Project: Hadoop
>         Type: Bug

>   Components: mapred
>     Versions: 0.1.1
>     Reporter: Owen O'Malley
>     Assignee: Owen O'Malley
>      Fix For: 0.3

>
> I had a bunch of TaskTrackers time out because they were in the middle of job cleanup
and the JobTracker restarted them by responding to emitHeartbeat with UNKNOWN_TASKTRACKER.
Afterwards, I ended up with both the new and the restarted TaskTrackers on the list:
> node1100_1234, 0-10 seconds since heartbeat
> node1100_4321,  >10,000 seconds since heartbeat

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