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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2023/01/09 23:06:08 UTC

[GitHub] [iceberg] RussellSpitzer commented on issue #6549: Collecting Iceberg NDV Statistics for Spark Engine

RussellSpitzer commented on issue #6549:
URL: https://github.com/apache/iceberg/issues/6549#issuecomment-1376460828

   I think while it may be helpful to collect sketches at write time, for older tables and for a POC I think we should start with just an "analyze" like procedure that just uses a specific snapshots and generates a puffin file with all the expected NDV stats for the entire snapshot.


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