[GitHub] [pinot] richardstartin commented on pull request #8398: Allow disabling dict generation for High cardinality columns

[GitBox <gi...@apache.org>]

richardstartin commented on pull request #8398:
URL: https://github.com/apache/pinot/pull/8398#issuecomment-1077811850


   I thought about this some more. The case I mentioned above is likely rare. I think:
   
   1. Metric columns should not have a dictionary by default. This will generally make aggregations faster.
   2. If a user decides to add a dictionary for a metric column, they should get one no matter what, without needing to understand any other configurations


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