How to query and visualize metrics

After installation, you can see that the following two NSs have been added to the cluster, and the Dubbo and Thrift demo applications are installed in these two NSs. You can choose either of them to test.

Prometheus and Grafana have been installed in the istio-system NS, and Prometheus will collect requested metrics from the Sidecar Proxy. We can query these metrics through Prometheus and use Grafana dashboards to show these metrics.

First forward the local port to the Prometheus service via the kubectl port-forward command

Query the outbound request metrics of the Dubbo service:

All metrics for Dubbo services:

First forward the local port to the Grafana service via the command.

Open the Aeraki demo dashboard, you can see the metrics charts of Dubbo and Thrift services, including QPS, request latency, request success rate, etc.