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From "Dave Marion (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-708) Modify ClassLoader to support different applications / multi-tenancy
Date Tue, 07 Aug 2012 12:31:07 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13430315#comment-13430315
] 

Dave Marion commented on ACCUMULO-708:
--------------------------------------

So, I think that this makes sense iff scan sessions run in their own process. You can specify
a custom classpath for map reduce because it spins up a new jvm for your map reduce tasks,
its not a long running server process. I would be concerned doing that in the tablet server
right now. 
                
> Modify ClassLoader to support different applications / multi-tenancy
> --------------------------------------------------------------------
>
>                 Key: ACCUMULO-708
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-708
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: start
>    Affects Versions: 1.5.0
>            Reporter: Dave Marion
>            Assignee: Dave Marion
>              Labels: classloader
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> I'd like to expand the current classloader to support loading classes from HDFS and different
application contexts. I'll be modifying the ticket as the idea matures.

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