db.yaml

apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  labels:
    prometheus: k8s
    role: alert-rules
  name: db-monitoring-rules
spec:
  groups:
  - name: db
    rules:
    - alert: DBHighCPUUsage
      # Reasoning: high rates of CPU consumption should only be temporary.
      expr: avg(rate(container_cpu_usage_seconds_total{container!="POD", pod=~"db-.*"}[5m])) by (cluster) > 0.4
      for: 10m
      labels:
        # sent to the team internal channel until we fine tuned it
        severity: warning
        team: webapp
      annotations:
        runbook_url: https://github.com/gitpod-io/runbooks/blob/main/runbooks/WebAppServicesHighCPUUsage.md
        summary: DB has excessive CPU usage.
        description: DB is consumming too much CPU. Please investigate.
        dashboard_url: https://grafana.gitpod.io/d/6581e46e4e5c7ba40a07646395ef7b23/kubernetes-compute-resources-pod?var-cluster={{ $labels.cluster }}&var-namespace=default