leerho commented on issue #7187: Improve topN algorithm
URL: 
https://github.com/apache/incubator-druid/issues/7187#issuecomment-484736772
 
 
   @peferron 
   The new FDT sketch is in master and should be stable enough for you to start 
looking at it and playing with it.  I'm sure you will have questions so ask 
away :)    I need to do some more comprehensive testing and characterization 
before it is ready for release.  You can find some simple examples in the test 
hierarchy as well as in the characterization repository (well, those are a bit 
more complex :) :) ).
   
   I am actually quite pleased with its accuracy.
   
   You can find the configuration file for running the characterization tests 
[here](https://github.com/DataSketches/characterization/blob/master/src/main/resources/fdt/FdtAccuracyJob.conf).
   
   Have fun!
   
     

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