Well, big data for me was always clear -- when data sizes are too large to use regular tools (ls, du, wc, vi, pandas). I.e. when pretty much every tool or scri

Well, big data for me was always clear -- when data sizes are too large to use regular tools (ls, du, wc, vi, pandas). I.e. when pretty much every tool or script I used before doesn't work anymore, and need a special tool (gsutil, bq, dusk, slurm), it's a mind shift.