rbalamohan opened a new issue, #6149:
URL: https://github.com/apache/iceberg/issues/6149

   ### Apache Iceberg version
   
   0.14.1
   
   ### Query engine
   
   Spark
   
   ### Please describe the bug 🐞
   
   Positional delete files contain the file position and the filename. 
Currently pos (int64) is written in "BIT_PACKED, PLAIN" encoding. It will be 
good to consider writing it in "parquet.writer.version=2"  which uses "delta 
encoding". Having it in "DELTA_BINARY_PACKED" reduces the size of the 
positional deletes by good margin (I observed 50% reduction for the same 
positional files).


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