How to query and visualize metrics
Installing the demo program
If you haven’t installed the demo program yet, Please refer to Quick Start to install Aeraki, Istio, and the demo.
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.
➜ ~ kubectl get ns|grep meta meta-dubbo Active 16m meta-thrift Active 16m
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.
? ~ kubectl get deploy -n istio-system NAME READY UP-TO-DATE AVAILABLE AGE aeraki 1/1 1 1 46h grafana 1/1 1 1 46h istio-ingressgateway 1/1 1 1 46h istiod 1/1 1 1 46h prometheus 1/1 1 1 46h
Query request metrics via Prometheus
Open Prometheus UI via the
istioctl dashboard prometheus command.
istioctl dashboard prometheus
View metrics in the Prometheus UI. Aeraki Mesh provides Istio compatible metrics for non-HTTP protocols，including istio_requests_total，istio_request_duration_milliseconds，istio_request_byte, and istio_response_byte。
Below diagrams show metrics for the Dubbo demo application: istio_requests_total: istio_request_duration_milliseconds: istio_request_byte: istio_response_byte:
Visualize metrics via Grafana dashboard
Open Grafana UI via the
istioctl dashboard grafana command.
istioctl dashboard grafana
Aeraki Mesh provides the same labels as Istio does for metrics. Please refer to Istio Metrics for the definition of each label.
Please note that the response code is different from HTTP protocol.
- OK 0
- Error 1
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