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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5330) Zombie tasks remain after jobs finish/fail/get killed
Date Fri, 27 Mar 2009 03:59:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12689803#action_12689803
] 

Devaraj Das commented on HADOOP-5330:
-------------------------------------

Nathan, so what exactly do you see now? Do these tasks remain in PENDING state forever? Or
is it some other state?

> Zombie tasks remain after jobs finish/fail/get killed
> -----------------------------------------------------
>
>                 Key: HADOOP-5330
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5330
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.19.1
>            Reporter: Nathan Marz
>
> I'm seeing a lot of "task attempts" around our hadoop cluster for jobs that are no longer
around. The attempts seem to be "hung", as they sit there forever. Additionally, they seem
to take up map and reduce slots in the cluster unless MapReduce is restarted. This causes
real jobs to be unable to utilize the whole cluster.

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