DataFrame.
to_feather
Write a DataFrame to the binary Feather format.
If a string, it will be used as Root Directory path.
Additional keywords passed to pyarrow.feather.write_feather(). Starting with pyarrow 0.17, this includes the compression, compression_level, chunksize and version keywords.
pyarrow.feather.write_feather()
New in version 1.1.0.