fallintoplace opened a new pull request, #2401:
URL: https://github.com/apache/iceberg-go/pull/2401

   ## What
   - Write compressed Puffin blobs using LZ4 or Zstd.
   
   ## Why
   - Support the compression codecs in the Puffin spec.
   
   ## Implementation
   - Write single frames with content sizes and store the codec in metadata.
   - Keep deletion vectors uncompressed.
   - [Puffin spec](https://iceberg.apache.org/puffin-spec/#compression-codecs)
   - [Iceberg Java 
compression](https://github.com/apache/iceberg/blob/main/core/src/main/java/org/apache/iceberg/puffin/PuffinCompressionCodec.java)
   


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