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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-158) mapred.userlog.retain.hours killing long running tasks
Date Fri, 16 Oct 2009 04:45:31 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod K V updated MAPREDUCE-158:
--------------------------------

    Component/s: tasktracker
    Description: 
One can reproduce the scenario by configuring mapred.userlog.retain.hours to 1hr, and running
tasks that take more than an hour.

More info on closed ticket HADOOP-5591.

  was:
Can verify by changing the mapred.jobtracker.retirejob.interval to < then your normal map
time and watch the reduce task fail
more info on closed ticket HADOOP-5591

        Summary: mapred.userlog.retain.hours killing long running tasks  (was: mapred.jobtracker.retirejob.interval
killing long running reduce task)

Correcting the summary and description.

> mapred.userlog.retain.hours killing long running tasks
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-158
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-158
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>         Environment: 0.19.2-dev, r753365 
>            Reporter: Billy Pearson
>         Attachments: hadoop-5600.patch
>
>
> One can reproduce the scenario by configuring mapred.userlog.retain.hours to 1hr, and
running tasks that take more than an hour.
> More info on closed ticket HADOOP-5591.

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