izing-metrics-collection-with-recording-rules>Optimizing metrics collection with recording rules</a></ol></li></ol><hr></div></nav><h2 id=using-prometheus-for-production-scale-monitoring>Using Prometheus for production-scale monitoring</h2><p>The recommended approach for production-scale monitoring of Istio meshes with Prometheus
is to use <a href=https://prometheus.io/docs/prometheus/latest/federation/#hierarchical-federation>hierarchical federation</a>
in combination with a collection of <a href=https://p