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From "Runping Qi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-557) task tracker cannot find mapoutput files
Date Mon, 25 Sep 2006 19:55:52 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-557?page=comments#action_12437661 ] 
            
Runping Qi commented on HADOOP-557:
-----------------------------------


I ran a large job on our cluster over the weekend. At some point, some map tasks were re-run
successfully. However, when trying to handle the reducers requests to fetch mapoutput files
of those map tasks, the http server complained file not found.  That caused the map tasks
to be reported as having been lost, and failed.

This happened multiple times on different machines for the same map task until the job tracker
aborted the job. 



> task tracker cannot find mapoutput files
> ----------------------------------------
>
>                 Key: HADOOP-557
>                 URL: http://issues.apache.org/jira/browse/HADOOP-557
>             Project: Hadoop
>          Issue Type: Bug
>            Reporter: Runping Qi
>
> I ran a large job on our cluster over the weekend. At some point, some map tasks were
re-run successfully. However, when trying to handle the reducers requests to fetch mapoutput
files of those map tasks, the http server complained file not found.
> This happened multiple times on different machines for the same map task until the job
tracker aborted the job.

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