[ http://issues.apache.org/jira/browse/HADOOP-639?page=all ]

Arun C Murthy reassigned HADOOP-639:
------------------------------------

    Assignee: Arun C Murthy  (was: Owen O'Malley)

> task cleanup messages can get lost, causing task trackers to keep tasks 
> forever
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-639
>                 URL: http://issues.apache.org/jira/browse/HADOOP-639
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.7.2
>            Reporter: Owen O'Malley
>         Assigned To: Arun C Murthy
>             Fix For: 0.9.0
>
>
> If the pollForTaskWithClosedJob call from a job tracker to a task tracker 
> times out when a job completes, the tasks are never cleaned up. This can 
> cause the mini m/r cluster to hang on shutdown, but also is a resource leak.

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