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From "yeshavora (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4970) Child tasks (try to) create security audit log files
Date Fri, 12 Apr 2013 23:32:16 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630756#comment-13630756
] 

yeshavora commented on MAPREDUCE-4970:
--------------------------------------

This patch is not compatible with older version. The main impact of this change is syslogs
are missing on clusters which are configured with just log4j.properties. Also, stderr has
the following WARN message:
log4j:WARN No appenders could be found for logger (org.apache.hadoop.mapred.Child).
log4j:WARN Please initialize the log4j system properly. 
 
                
> Child tasks (try to) create security audit log files
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-4970
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4970
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 1.1.1
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>             Fix For: 1.2.0
>
>         Attachments: MAPREDUCE-4970-1.patch, MAPREDUCE-4970.patch, MAPREDUCE-4970.patch
>
>
> After HADOOP-8552, MR child tasks will attempt to create security audit log files with
their user names.  On an insecure cluster, this has no effect, but on a secure cluster, log4j
will try to create log files for tasks with names like SecurityAuth-joeuser.log.

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