timothy from the that's-what-your-subordinates-are-for dept.
Brendan Gregg of Sun's Fishworks lab has an interesting video demo up at YouTube demonstrating just how bad vibes, if expressed with sufficient volume in front of a rack full of disks, can cause a spike in disk latency. White noise, evidently, doesn't do them much harm. (Maybe they just feel awkward to get yelled at on camera.)
"In the face of entropy and nothingness, you kind of have to pretend it's not
there if you want to keep writing good code." -- Karl Lehenbauer