I'm somewhat surprised, disk being so many orders of magnitudes slower than compute (and to a lesser extent, memory), that there's such a wide gulf. My expectat

I'm somewhat surprised, disk being so many orders of magnitudes slower than compute (and to a lesser extent, memory), that there's such a wide gulf. My expectation would have been that the difference would be negligible, as `tar` writes roughly double the bytes (per the article) back to the disk.