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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5365) Set mapreduce.job.classloader to true by default
Date Tue, 02 Jul 2013 02:48:21 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13697437#comment-13697437
] 

Sandy Ryza commented on MAPREDUCE-5365:
---------------------------------------

Right.  Thanks for the correction.
                
> Set mapreduce.job.classloader to true by default
> ------------------------------------------------
>
>                 Key: MAPREDUCE-5365
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5365
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 2.0.5-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-5365.patch
>
>
> MAPREDUCE-1700 introduced the mapreduce.job.classpath option, which uses a custom classloader
to separate system classes from user classes.  It seems like there are only rare cases when
a user would not want this on, and that it should enabled by default.

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