voy/latest/configuration/http/http_filters/router_filter.html?highlight=vhost#statistics">Router</a></li></ul><p>By default, Istio configures Envoy to record a minimal set of statistics to reduce the overall CPU and memory footprint of the installed proxies. The default collection
keys are:</p><ul><li><code>cluster_manager</code></li><li><code>listener_manager</code></li><li><code>server</code></li><li><code>cluster.xds-grpc</code></li></ul><p>To see the Envoy settings for statistics data collection use
<a 