It would be great if the parquet format would directly be accessible from R , that is providing reader/writer for it.
I labelled this as "pick me up!". It would be great if someone could implement this.
You may find the python library for parquet being developed at https://github.com/martindurant/fastparquet/ interesting. We expect this project to migrate to the dask organisation as it approaches beta.
just moved to https://github.com/dask/fastparquet/