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Subject [GitHub] jhuan31 commented on issue #781: ZOOKEEPER-3251: Add new server metric types: percentile counter and c…
Date Thu, 31 Jan 2019 16:40:39 GMT
jhuan31 commented on issue #781: ZOOKEEPER-3251: Add new server metric types: percentile counter
and c…
URL: https://github.com/apache/zookeeper/pull/781#issuecomment-459414315
 
 
   @anmolnar Sorry about the late reply. The reservoir is used to hold samples of data points
that are used to compute the percentiles. A random number generator is used to make the probability
of an incoming data point being picked equal (uniform). Newer data points weigh the same as
older data points.  
   
   

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