Can we use compression on Parquet writing?

[metesynnada]

Is there a parquet.gz etc file type that we would use compression?

[tustvold]

Parquet natively supports block level compression - see https://github.com/apache/parquet-format/blob/master/Compression.md

Compressing the file as a whole would lose the ability to do meaningful IO pushdown, and would likely yield minimal size savings, so I'm not aware of anyone doing this