Traffic ramp-up

Ramp-up → sustain → ramp-down

# lmn.yaml
run:
  host: https://api.example.com/orders
  method: get

execution:
  stages:
    - duration: 1m
      target_vus: 0
    - duration: 1m
      target_vus: 100
      ramp: linear
    - duration: 5m
      target_vus: 100
    - duration: 1m
      target_vus: 0
      ramp: linear

thresholds:
  - metric: latency_p95
    operator: lt
    value: 500.0
  - metric: error_rate
    operator: lt
    value: 0.01

lmn run -f lmn.yaml

VU profile

xychart-beta
    title "Virtual Users Over Time"
    x-axis ["0m", "1m", "2m", "3m", "4m", "5m", "6m", "7m", "8m"]
    y-axis "Virtual Users" 0 --> 110
    line [0, 0, 100, 100, 100, 100, 100, 100, 0]

Simple ramp-up

execution:
  stages:
    - duration: 30s
      target_vus: 5
    - duration: 2m
      target_vus: 50
      ramp: linear
    - duration: 30s
      target_vus: 0
      ramp: linear

See Load Curves for how stages work, ramp profiles, and when to use curves vs. fixed mode.