rometheus.io/docs/prometheus/latest/configuration/recording_rules/>recording rules</a>.</p><p>In default deployments of Istio, a deployment of <a href=http://prometheus.io>Prometheus</a> is
provided for collecting metrics generated for all mesh traffic. This deployment of
Prometheus is intentionally deployed with a very short retention window (6 hours). The
default Prometheus deployment is also configured to collect metrics from each Envoy proxy
running in the mesh, augmenting each metric with a set of labe