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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2020/08/20 18:38:49 UTC

[GitHub] [incubator-pinot] Jackie-Jiang edited a comment on pull request #5872: Support for exact distinct count for non int data types

Jackie-Jiang edited a comment on pull request #5872:
URL: https://github.com/apache/incubator-pinot/pull/5872#issuecomment-677831512


   @mayankshriv @mcvsubbu Added a new boolean Helix cluster config `enable.distinct.count.bitmap.override` to auto-rewrite `DistinctCount` to `DistinctCountBitmap` on broker. If the cluster runs into performance issue because of the new `DistinctCount` behavior, this flag is able to switch to `DistinctCountBitmap` without restarting the machines.


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