[GitHub] [druid] AlexanderSaydakov commented on pull request #11773: latest datasketches-java and datasketches-memory

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AlexanderSaydakov commented on pull request #11773:
URL: https://github.com/apache/druid/pull/11773#issuecomment-934915544


   I believe it should be fixed, but I did not verify this myself.
   I think that the configurable parameter still can be useful in some circumstances.
   Quantile sketches never stops growing, however they grow very slowly (logarithmically). We have to chose a particular slot size for BufferAggregator to preallocate. That parameter controls the tradeoff between overestimated preallocation and too many sketches growing beyond that and moving to additionally allocated slots on heap.


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