4$ curl  http://localhost:9421/metrics
# HELP apicast_status HTTP status generated by APIcast
# TYPE apicast_status counter
apicast_status{status="500"} 1
# HELP nginx_http_connections Number of HTTP connections
# TYPE nginx_http_connections gauge
nginx_http_connections{state="accepted"} 20
nginx_http_connections{state="active"} 3
nginx_http_connections{state="handled"} 20
nginx_http_connections{state="reading"} 0
nginx_http_connections{state="total"} 61
nginx_http_connections{state="waiting"} 2
nginx_http_connections{state="writing"} 1
# HELP nginx_metric_errors_total Number of nginx-lua-prometheus errors
# TYPE nginx_metric_errors_total counter
nginx_metric_errors_total 0
# HELP openresty_shdict_capacity OpenResty shared dictionary capacity
# TYPE openresty_shdict_capacity gauge
openresty_shdict_capacity{dict="api_keys"} 31457280
openresty_shdict_capacity{dict="batched_reports"} 20971520
openresty_shdict_capacity{dict="batched_reports_locks"} 1048576
openresty_shdict_capacity{dict="cached_auths"} 20971520
openresty_shdict_capacity{dict="configuration"} 10485760
openresty_shdict_capacity{dict="init"} 262144
openresty_shdict_capacity{dict="limiter"} 1048576
openresty_shdict_capacity{dict="locks"} 1048576
openresty_shdict_capacity{dict="prometheus_metrics"} 16777216
openresty_shdict_capacity{dict="rate_limit_headers"} 20971520
# HELP openresty_shdict_free_space OpenResty shared dictionary free space
# TYPE openresty_shdict_free_space gauge
openresty_shdict_free_space{dict="api_keys"} 31260672
openresty_shdict_free_space{dict="batched_reports"} 20840448
openresty_shdict_free_space{dict="batched_reports_locks"} 1032192
openresty_shdict_free_space{dict="cached_auths"} 20840448
openresty_shdict_free_space{dict="configuration"} 10412032
openresty_shdict_free_space{dict="init"} 249856
openresty_shdict_free_space{dict="limiter"} 1032192
openresty_shdict_free_space{dict="locks"} 1032192
openresty_shdict_free_space{dict="prometheus_metrics"} 16658432
openresty_shdict_free_space{dict="rate_limit_headers"} 20840448
# HELP threescale_backend_calls Calls to the 3scale backend
# TYPE threescale_backend_calls counter
threescale_backend_calls{endpoint="authrep",status="2xx"} 1
# HELP total_response_time_seconds Time needed to send a response to the client (in seconds).
# TYPE total_response_time_seconds histogram
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="00.500"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="00.750"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="01.000"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="01.500"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="02.000"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="03.000"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="04.000"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="05.000"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="10.000"} 1
total_response_time_seconds_bucket{service_id="293",service_system_name="redhat-testes",le="+Inf"} 1
total_response_time_seconds_count{service_id="293",service_system_name="redhat-testes"} 1
total_response_time_seconds_sum{service_id="293",service_system_name="redhat-testes"} 0.5
# HELP worker_process Number of times that a nginx worker has been started
# TYPE worker_process counter
worker_process{} 1
sh-4.4$