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From "Hitesh Shah (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-3117) Uber jobs are hanging
Date Thu, 17 Nov 2011 00:47:51 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hitesh Shah resolved MAPREDUCE-3117.
------------------------------------

    Resolution: Not A Problem
    
> Uber jobs are hanging
> ---------------------
>
>                 Key: MAPREDUCE-3117
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3117
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Jonathan Eagles
>            Assignee: Hitesh Shah
>            Priority: Blocker
>
> Ran a simple wordcount with uber jobs enabled and job hangs
> hadoop jar hadoop-mapreduce-examples-0.23.0-SNAPSHOT.jar wordcount -Dmapreduce.job.ubertask.enable=true
<path to small file> <output dir>
> container syslog is filled with repeating
> 2011-09-28 16:55:04,157 INFO org.apache.hadoop.mapred.TaskAttemptListenerImpl: MapCompletionEvents
request from attempt_1317246458306_0002_r_000000_0. fromEventID 0 maxEvents 10000
> 2011-09-28 16:55:04,157 DEBUG org.apache.hadoop.mapreduce.task.reduce.EventFetcher: Got
0 map completion events from 0
> 2011-09-28 16:55:04,157 DEBUG org.apache.hadoop.mapreduce.task.reduce.EventFetcher: GetMapEventsThread
about to sleep for 1000

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