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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2022/09/21 20:08:52 UTC

[GitHub] [pinot] Jackie-Jiang commented on issue #9437: auto sharding strategy for theta sketch

Jackie-Jiang commented on issue #9437:
URL: https://github.com/apache/pinot/issues/9437#issuecomment-1254176147

   Here is the doc for the function: https://docs.pinot.apache.org/configuration-reference/functions/distinctcountthetasketch
   You may also learn more about theta sketch here: https://datasketches.apache.org/docs/Theta/ThetaSketchFramework.html
   
   There is one parameter that can be passed in the function: `nominalEntries`. By default it is set to 4096, and you may try a higher value to get better accuracy (performance will be worse)


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