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https://issues.apache.org/jira/browse/ACCUMULO-3948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002570#comment-15002570
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ASF GitHub Bot commented on ACCUMULO-3948:
------------------------------------------

Github user keith-turner commented on the pull request:

    https://github.com/apache/accumulo/pull/51#issuecomment-156189293
  
    > Can you point me to some tests that I need to modify?
    
    There is [ConditionalWriterIT][1].  Maybe could add a test where a 
conditional mutaton fails w/o a context and succeeds with it.
    
    [1]: 
https://github.com/apache/accumulo/blob/0e136c1f4276373b09d1a2e4d901c0d16809e6db/test/src/main/java/org/apache/accumulo/test/ConditionalWriterIT.java


> Enable A/B testing of scan iterators on a table
> -----------------------------------------------
>
>                 Key: ACCUMULO-3948
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3948
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: tserver
>            Reporter: Dave Marion
>            Assignee: Dave Marion
>             Fix For: 1.8.0
>
>         Attachments: ACCUMULO-3948.1-6-3.patch, TestIterator.patch
>
>
> Classpath contexts are assigned to a table via the table configuration. You 
> can test at scale by cloning your table and assigning a new classpath context 
> to the cloned table. However, you would also need to change your application 
> to use the new table names and since we cannot disable compactions you would 
> start to consume more space in the filesystem for that table. We can support 
> users passing in a context name to use for the scan on existing tables. 



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