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From "Yoram Arnon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-225) tasks are left over when a job fails
Date Tue, 31 Oct 2006 21:43:17 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-225?page=comments#action_12446067 ] 
Yoram Arnon commented on HADOOP-225:

Not sure:
- I haven't been monitoring this as much lately.
- JT crashes too frequently to get a decent statistic

Let's check in a few days


> tasks are left over when a job fails
> ------------------------------------
>                 Key: HADOOP-225
>                 URL: http://issues.apache.org/jira/browse/HADOOP-225
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.2.0
>            Reporter: Yoram Arnon
>            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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