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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-2592) TT should fail task immediately if userlog dir cannot be created
Date Tue, 14 Jun 2011 18:34:49 GMT
TT should fail task immediately if userlog dir cannot be created
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                 Key: MAPREDUCE-2592
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2592
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: tasktracker
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon
             Fix For: 0.23.0


Currently, TaskRunner will log the message "mkdirs failed. Ignoring" if it fails to mkdir
the userlog directory for a task. Then, it goes on to spawn taskjvm.sh which tries to redirect
output into the userlogs dir, thus failing with exit code 1. This leads to error messages
that are very hard to diagnose ("task failed with exit status 1") in cases where the userlog
directory has either become inaccessible or has reached the maximum number of dirents (32000
in ext3)

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