LionTao opened a new issue, #6481:
URL: https://github.com/apache/iceberg/issues/6481

   ### Query engine
   
   None, I'm using Java API
   
   ### Question
   
   Currently, when reading files, iceberg utilizes vectorized reading to read 
files.
   But when a filter is applied, we can use the s3 select API to reduce the 
file size needed to transfer. That will reduce time and cost.
   According to s3 documents and minio documents, parquet is the only supported 
format for iceberg.
   
   Any guides or advice on implementing this feature?


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