[jira] [Created] (KYLIN-1635) HyperLogLogCounter (HLLC) performance improvement when add 0 or 1 elements

Wed, 27 Apr 2016 22:49:16 -0700 

liyang created KYLIN-1635:
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             Summary: HyperLogLogCounter (HLLC) performance improvement when 
add 0 or 1 elements
                 Key: KYLIN-1635
                 URL: https://issues.apache.org/jira/browse/KYLIN-1635
             Project: Kylin
          Issue Type: Improvement
            Reporter: liyang


Apply a trick to greatly speed up HLLC when merging another HLLC which contains 
only 0 or 1 element.



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