在数据中心里大喊

A two-minute 2008 clip from Sun's Fishworks team in which Brendan Gregg uses DTrace to show disk latency spiking while he shouts at a rack of drives. Bryan Cantrill narrates the demonstration.

Why HN likes it: It is the go-to viral demo whenever HN discusses vibration, acoustic attacks, or sound affecting hard drives.

“this entertaining YouTube video from 2009, in which someone demonstrates the effect by literally shouting at a rack of servers”