Brendan Gregg from Sun’s Fishworks team makes an interesting discovery about inducing disk latency.
Shouting at Disks Increases Latency (VIDEO)
For more details, see Brendan’s blog entry.
Now you know what the technicians do to hard disks when they get angry. They shout at them and then notice something surprising and go like woah. For me, I whisper sweet nothings to my hard disk. It fetches documents a lot faster this way.
