Open the expression browser

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

      meshctl proxy prometheus --kubecontext $MGMT_CONTEXT

    Port-forward the prometheus-server deployment on 9091.

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

  2. Access the Prometheus expression browser.

Cilium-specific queries

MetricPromQL query
Successful network packet rate for a given servicerate(hubble_flows_processed_total{destination_workload_id="<workload_ID>"}[5m])
Successful network packet rate between source and destination workloadrate(hubble_flows_processed_total{source="<source_workload_ID>", destination_workload_id="<destination_workload_id>"}[5m])
Rate of dropped network packets to a destination workloadrate(hubble_drop_total{destination_workload_id="<workload_ID>"}[5m])
Number of new processed network packets within a certain timeframesum(increase(hubble_flows_processed_total{}[5m])) by (workload_id, destination_workload_id)