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