If you still hit size issues, you might be able to throw things through xsv first (list columns, select just a few columns and pipe out, get stats on contents o

If you still hit size issues, you might be able to throw things through xsv first (list columns, select just a few columns and pipe out, get stats on contents of columns, samples, etc). It's one of my other goto things https://github.com/BurntSushi/xsv https://github.com/BurntSushi/xsv