On Fri, 12 Jul 2019 20:37:15 -0700 Micah Kornfield <emkornfi...@gmail.com> wrote: > > If the latter, I wonder why Parquet cannot simply be used instead of > > reinventing something similar but different. > > This is a reasonable point. However there is continuum here between file > size and read and write times. Parquet will likely always be the smallest > with the largest times to convert to and from Arrow. An uncompressed > Feather/Arrow file will likely always take the most space but will much > faster conversion times.
I'm curious whether the Parquet conversion times are inherent to the Parquet format or due to inefficiencies in the implementation. Regards Antoine.