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From keith-turner <...@git.apache.org>
Subject [GitHub] accumulo issue #168: ACCUMULO-4501 (work in progress) Very simple implementa...
Date Mon, 17 Oct 2016 12:27:39 GMT
Github user keith-turner commented on the issue:

    https://github.com/apache/accumulo/pull/168
  
    One option to consider instead of modifying RFile is to make it a decorator like [BloomFilterLayer][1].
 BloomFilterLayer stores its information in RFile metadata.  I'm think will be problems with
this approach, but I would not know what they are w/o actually trying it.  
    
    Are you considering making this a generic histogram functionality, where the user can
configure a function that emits counts for a given Key Value?
    
    [1]: https://github.com/apache/accumulo/blob/e900e67425d950bd4c0c5288a6270d7b362ac458/core/src/main/java/org/apache/accumulo/core/file/BloomFilterLayer.java


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