[jira] [Created] (ACCUMULO-867) Support common use cases for loading classes from context (e.g. HDFS)

["Keith Turner (JIRA)" <ji...@apache.org>]

Keith Turner created ACCUMULO-867:
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             Summary: Support common use cases for loading classes from context (e.g. HDFS)
                 Key: ACCUMULO-867
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-867
             Project: Accumulo
          Issue Type: Sub-task
            Reporter: Keith Turner


We need to decide how want to make this new classloader functionality available to users.   

One use case is making per-table class loaders availiable.   This would allow the user to set a per table property like the following.

{noformat}
   table.classpath=hdfs://nn:8092/myApp
{noformat}

Setting this would allow iterators specific to the table to be loaded from a given location.   Currently when a user iterator is placed in lib/ext all tables see the iterator.

Another possible use case is per-scan classpath. 

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