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From "Mahadev konar (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-639) task cleanup messages can get lost, causing task trackers to keep tasks forever
Date Mon, 04 Dec 2006 08:15:23 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-639?page=comments#action_12455251 ] 
            
Mahadev konar commented on HADOOP-639:
--------------------------------------

sorry I meant TASK_KILL_ACTION is sent per task... 

> 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
>         Attachments: HADOOP-639_1.patch, HADOOP-639_2_20061130.patch, HADOOP-639_3_20061201.patch
>
>
> 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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