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Sample PromQL queries

Open the expression browser

  1. Port-forward the Prometheus pod in your cluster. 

    meshctl proxy prometheus

    Port-forward the prometheus-server deployment on 9091.

    kubectl -n gloo-mesh port-forward deploy/prometheus-server 9091

  2. Access the Prometheus expression browser.

Ingress gateway queries

Metric PromQL query
Request rate for the ingress gateway rate(istio_requests_total{source_workload="istio-ingressgateway-1-20"}[5m])
Request rate between the ingress gateway and a destination workload rate(istio_requests_total{source_workload="istio-ingressgateway-1-20", destination_workload="<workload_ID>"}[5m])
Successful request rate to a destination workload rate(istio_requests_total{response_code=~"[2-3].*", destination_workload="<workload_ID>"}[5m])
Rate of failing requests to a destination workload rate(istio_requests_total{response_code=~"[4-5].*", destination_workload="<workload_ID>"}[5m])
Number of new requests within a certain timeframe sum(increase(istio_requests_total{}[5m])) by (workload_id, destination_workload_id)