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https://issues.apache.org/jira/browse/ACCUMULO-1409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13714309#comment-13714309
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Christopher Tubbs commented on ACCUMULO-1409:
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{quote}I suspect enabling them would not help for that case.{quote}

I realize my response is a bit late, but in the interests in conveying the 
latest information: At the time that comment was made, I'm sure it was true, 
but it isn't anymore. Lately, the only way I can guarantee the integration 
tests don't time out is if I enable the native maps with "-P native".
                
> Make MiniAccumuloCluster support native maps
> --------------------------------------------
>
>                 Key: ACCUMULO-1409
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1409
>             Project: Accumulo
>          Issue Type: Sub-task
>            Reporter: Keith Turner
>            Assignee: Corey J. Nolet
>              Labels: proposal
>             Fix For: 1.6.0
>
>
> If a user sets up a single node accumulo instance and uses it for testing, 
> then w/o native maps the performance will not be as good as it could.  I did 
> some testing of the new GC in java 7, along the way I noticed a significant 
> difference between the native map and java map.
> http://kaccumulo.blogspot.com/2012/11/testing-accumulo-with-g1.html

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