How Not to Measure Latency: Averages and Coordinated Omission

The canonical recommendation whenever percentiles, tail latency, load testing or averages come up, described by some as life changing.

Gil Tene of Azul Systems explains common pitfalls in measuring latency and response time, including why averages mislead and the problem of coordinated omission. He introduces open source tools like HdrHistogram for better measurement and reporting.