Metrics & KPIsApplication Performance Index (Apdex)
Definition
The <a href="http://www.apdex.org">Application Performance Index (Apdex)</a> is based on three zones of application esponsiveness: Satisfied: The user is fully productive. This represents the time value (T seconds) below which users are not impeded by application response time. Tolerating: The user notices performance lagging within responses greater than T, but continues the process. Frustrated: Performance with a response time greater than F seconds is unacceptable, and users may a
Formula
The Apdex formula is the number of satisfied samples plus half of the tolerating samples plus none of the frustrated samples, divided by all the samples.
Tags
user, performance