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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-225) tasks are left over when a job fails
Date Thu, 24 May 2007 06:14:16 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Owen O'Malley resolved HADOOP-225.
----------------------------------

    Resolution: Cannot Reproduce

We haven't seen this in a long time.

> tasks are left over when a job fails
> ------------------------------------
>
>                 Key: HADOOP-225
>                 URL: https://issues.apache.org/jira/browse/HADOOP-225
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.2.0
>            Reporter: Yoram Arnon
>         Assigned To: Owen O'Malley
>            Priority: Minor
>
> when jobs are stopped or otherwise fail, tasks are often left around.
> the job tracker shows that there are map or reduce (mostly reduce) tasks running, when
no job is running.
> these accumulate over time.
> eventually there are so many of those, that the job tracker can't launch new tasks, requiring
a restart of the MR cluster.

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