apiVersion: nines.dev/v1alpha1
kind: ServiceLevelObjective
metadata:
  name: request-latency
  project: production
spec:
  displayName: API request latency
  service: api
  source: primary
  target: 0.999
  windowSeconds: 2419200 # Rolling 28 days
  stepSeconds: 60
  measurement:
    type: latency
    metric: http_request_duration_seconds
    labels:
      service: api
      environment: production
    thresholdSeconds: 0.3
    scrapeIntervalSeconds: 15
    observationPoint: Completed API request duration at the server. Excludes requests never reaching this server.
  policies:
    - name: fast-burn
      severity: critical
      shortWindow: 5m
      longWindow: 1h
      burnRate: 14.4
      forSeconds: 120
      minCoverage: 1
    - name: sustained-burn
      severity: warning
      shortWindow: 30m
      longWindow: 6h
      burnRate: 6
      forSeconds: 300
      minCoverage: 1