+ - name: fastly
+ rules:
+ - alert: error rate
+ expr: sum(rate(fastly_rt_status_group_total{status_group="5xx"}[5m])) by (service_name, datacenter) / sum(rate(fastly_rt_status_group_total[5m])) by (service_name, datacenter) > 0.005
+ for: 15m
+ labels:
+ alertgroup: fastly
+ annotations:
+ error_rate: "{{ $value | humanizePercentage }}"