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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-708) Modify ClassLoader to support different applications / multi-tenancy
Date Mon, 29 Oct 2012 02:39:12 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13485796#comment-13485796
] 

Josh Elser commented on ACCUMULO-708:
-------------------------------------

Cool stuff, Dave. I assume the usage of the HDFS path "/accumulo" is based on the default
value for the "instance.dfs.dir" parameter?

Also, have you thought about modifying the assemble profile to load lib correctly and then
modify `accumulo init` to auto-load the default jars into HDFS? In other words, have you thought
about automating the above process through the maven profile and Accumulo initialization given
the "classloader.vfs.enabled" and "classloader.vfs.context.classpath.system" parameters in
accumulo-site.xml?
                
> 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
>            Reporter: Dave Marion
>            Assignee: Dave Marion
>              Labels: classloader
>             Fix For: 1.5.0
>
>         Attachments: ACCUMULO-708-1.patch
>
>   Original Estimate: 24h
>          Time Spent: 33h
>  Remaining Estimate: 0h
>
> 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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