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From "Harsh J (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2592) TT should fail task immediately if userlog dir cannot be created
Date Sat, 11 Feb 2012 17:51:02 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J updated MAPREDUCE-2592:
-------------------------------

       Resolution: Won't Fix
    Fix Version/s:     (was: 0.22.1)
           Status: Resolved  (was: Patch Available)

Not an issue on 0.23/trunk.
                
> TT should fail task immediately if userlog dir cannot be created
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-2592
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2592
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: tasktracker
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Harsh J
>         Attachments: MAPREDUCE-2592.r1.diff
>
>
> 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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