etseidl commented on PR #7555:
URL: https://github.com/apache/arrow-rs/pull/7555#issuecomment-2917894757

   > This functionality I think already exists under a different option? - 
https://docs.rs/parquet/latest/parquet/file/properties/struct.WriterPropertiesBuilder.html#method.set_column_index_truncate_length
   
   AFAICT that option is solely for the min and max in the column index. But I 
will verify that. This PR is for the statistics embedded in the page header. I 
believe it was these stats blowing up the arrow-cpp reader in the linked issue.


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