Glossary term
What is p95 (Percentile latency)?
p95 stands for Percentile latency.
In DevOps
p95 means 95% of requests were faster than this value. Percentiles reveal the slow tail that averages hide.
Learn it properly · DevOpsLesson 17: Monitoring and Logging with CloudWatchKnowing what your system is doing before your users tell you: metrics, logs, alarms and dashboards.In Scenario Debugging
p95 is the time that 95% of requests beat. Percentiles show what your slowest users feel. An average hides them.
Learn it properly · Scenario DebuggingLesson 0: The Debugging Method: Measure, Isolate, Hypothesize, VerifyThe method every answer in this series uses: which DevTools panel or server number answers which question, and how to explain your choices out loud.