Overview of Istio and Envoy metrics

Istio’s istio-proxy data plane metrics are based on the architecture of Envoy metrics. So, I will start with Envoy’s metrics architecture.

Hint

If you’re like me, you’re a hothead. Then the image below is Envoy’s metrics map. It illustrates where the metrics are generated. Later content will derive this map step by step.

Figure: Envoy@Istio metrics

Open with Draw.io

Figure: Metrics on the Envoy Request and Response Timeline

Open with Draw.io