This is part of the Semicolon&Sons Code Diary - consisting of lessons learned on the job. You're in the web-development category.
Last Updated: 2024-04-25
Apdex measures ratio of satifactory to tolerable to frustrating requests out of total requests.
Frustrating if takes a long time (e.g. -- numbers may vary - over 4.8s) Tolerable if 1.2 - 4.8s Satisfactory if under 1.2 s
Advantage is a single number.
Captures fact that a few people having v slow requests is v bad
Requets per second
How long to server a request in ms.
Usually we merge 50%, 95% and 99% th percentile.