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Knative service metrics exposed by default

Table 1. Metrics exposed by default for each Knative service on port 9091
Metric name, unit, and type Description Metric tags

request_count

Metric unit: dimensionless

Metric type: counter

The number of requests that are routed to queue-proxy.

configuration_name="event-display", container_name="queue-proxy", namespace_name="apiserversource1", pod_name="event-display-00001-deployment-658fd4f9cf-qcnr5", response_code="200", response_code_class="2xx", revision_name="event-display-00001", service_name="event-display"

request_latencies

Metric unit: milliseconds

Metric type: histogram

The response time in milliseconds.

configuration_name="event-display", container_name="queue-proxy", namespace_name="apiserversource1", pod_name="event-display-00001-deployment-658fd4f9cf-qcnr5", response_code="200", response_code_class="2xx", revision_name="event-display-00001", service_name="event-display"

app_request_count

Metric unit: dimensionless

Metric type: counter

The number of requests that are routed to user-container.

configuration_name="event-display", container_name="queue-proxy", namespace_name="apiserversource1", pod_name="event-display-00001-deployment-658fd4f9cf-qcnr5", response_code="200", response_code_class="2xx", revision_name="event-display-00001", service_name="event-display"

app_request_latencies

Metric unit: milliseconds

Metric type: histogram

The response time in milliseconds.

configuration_name="event-display", container_name="queue-proxy", namespace_name="apiserversource1", pod_name="event-display-00001-deployment-658fd4f9cf-qcnr5", response_code="200", response_code_class="2xx", revision_name="event-display-00001", service_name="event-display"

queue_depth

Metric unit: dimensionless

Metric type: gauge

The current number of items in the serving and waiting queue, or not reported if unlimited concurrency. breaker.inFlight is used.

configuration_name="event-display", container_name="queue-proxy", namespace_name="apiserversource1", pod_name="event-display-00001-deployment-658fd4f9cf-qcnr5", response_code="200", response_code_class="2xx", revision_name="event-display-00001", service_name="event-display"