So true about not coding for performance "because the disks are slow". Almost all disk i/o, especially big-iron, has cache in front of it. Maybe in the case of

So true about not coding for performance "because the disks are slow". Almost all disk i/o, especially big-iron, has cache in front of it. Maybe in the case of cloud storage - what does I/O bound mean then? It should still conceivably be the same IMO.