Reference · Glossary

Baseline metric

A **reference number from stable production** — last week’s p95 latency or citation rate — used to detect regressions.

#When to use

Alerting and rollback rules: “page if groundedness drops 30% vs 7-day baseline.”

Comparing unlike traffic — baselines shift after product changes; reset intentionally.

Baseline p95 = 1.2s; alert if p95 > 2.4s for 10 minutes (2× baseline).