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From "Yi Deng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-12133) Add FastLongHistogram for metric computation
Date Wed, 01 Oct 2014 04:37:33 GMT
Yi Deng created HBASE-12133:
-------------------------------

             Summary: Add FastLongHistogram for metric computation
                 Key: HBASE-12133
                 URL: https://issues.apache.org/jira/browse/HBASE-12133
             Project: HBase
          Issue Type: New Feature
          Components: metrics
    Affects Versions: 0.98.8
            Reporter: Yi Deng
            Assignee: Yi Deng
            Priority: Minor
             Fix For: 0.98.8


FastLongHistogram is a thread-safe class that estimate distribution of data and computes the
quantiles. It's useful for computing aggregated metrics like P99/P95.




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