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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (MAPREDUCE-4647) We should only unjar jobjar if there is a lib directory in it.
Date Thu, 11 Oct 2012 17:50:27 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy closed MAPREDUCE-4647.
------------------------------------

    
> We should only unjar jobjar if there is a lib directory in it.
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-4647
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4647
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.3
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>             Fix For: 3.0.0, 2.0.2-alpha, 0.23.4
>
>         Attachments: MR-4647-branch-0.23.txt, MR-4647.txt, MR-4647.txt, MR-4647.txt,
MR-4647.txt
>
>
> For backwards compatibility we recently added made is so we would unjar the job.jar and
add anything to the classpath in the lib directory of that jar.  But this also slows job startup
down a lot if the jar is large.  We should only unjar it if actually doing so would add something
new to the classpath.

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