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From "Christian Kunz (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1288) missing userlogs
Date Sat, 21 Apr 2007 21:18:15 GMT
missing userlogs

                 Key: HADOOP-1288
                 URL: https://issues.apache.org/jira/browse/HADOOP-1288
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.12.3
            Reporter: Christian Kunz

I noticed that a long-running job taking more than 1 day can have reduce tasks with missing
stderr and stdout log directories (the syslog files exist).

I wonder whether it has to do with the default value of 12 hours for mapred.userlog.retain.hours,
resulting in deletion of the stderr/stdout directories for reduce tasks idling till they start
to actually reduce. 

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