Commits on Apr 26, 2024

1. Improve KLL Sketch perf for non-grouped queries …

   The current method for calculating memory usage has a hidden cost.
   Within getEstimatedKllInMemorySize we call getSerializedSizeBytes.
   The code for the serialized bytes size actually serializes the entire
   internal state to a byte array first before returning the length. This
   is expensive and should be avoided.
   
   I am working on a PR to the upstream library to add a less-costly method
   but until released, I would like to fix this as non-grouped execution
   doesn't need the memory accounting for every sketch input.

   

   ZacBlanco committed Apr 26, 2024
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