NGINX for Azure Metrics Catalog

Learn about the different metrics provided by NGINX for Azure.

The following metrics are reported on by NGINX for Azure service in Azure Monitor. The metrics are categorized by the namespace used in Azure Monitor. The dimensions allow you to filter or split your queries in Azure Monitor providing you with a granular view over the metrics reported

NGINX connections statistics

Metric Dimensions Type Description Roll-up per
nginx.conn.accepted build version count Accepted Connections The total number of accepted client connections during the aggregation interval. deployment
nginx.conn.dropped build version count Dropped Connections The total number of dropped client connections during the aggregation interval. deployment
nginx.conn.active build version avg Active Connections The average number of active client connections during the aggregation interval. deployment
nginx.conn.idle build version avg Idle Connections The average number of idle client connections during the aggregation interval. deployment
nginx.conn.current build version avg Current Connections The average number of active and idle client connections during the aggregation interval. deployment

NGINX requests and response statistics

Metric Dimensions Type Description Roll-up per
nginx.http.request.count build version count HTTP Requests The total number of HTTP requests during the aggregation interval. deployment
nginx.http.request.current build version avg Current Requests The average number of current requests during the aggregation interval. deployment
plus.http.request.count build version server_zone count Server Zone HTTP Requests The total number of HTTP requests during the aggregation interval. server zone
plus.http.request.count build version location_zone count Location Zone HTTP Requests The total number of HTTP requests during the aggregation interval. location zone
plus.http.response.count build version server_zone count Server Zone HTTP Responses The total number of HTTP responses during the aggregation interval. server zone
plus.http.status.1xx build version server_zone count Server Zone HTTP 1xx Responses The total number of HTTP responses with a 1xx status code during the aggregation interval. server zone
plus.http.status.2xx build version server_zone count Server Zone HTTP 2xx Responses The total number of HTTP responses with a 2xx status code during the aggregation interval. server zone
plus.http.status.3xx build version server_zone count Server Zone HTTP 3xx Responses The total number of HTTP responses with a 3xx status code during the aggregation interval. server zone
plus.http.status.4xx build version server_zone count Server Zone HTTP 4xx Responses The total number of HTTP responses with a 4xx status code during the aggregation interval. server zone
plus.http.status.5xx build version server_zone count Server Zone HTTP 5xx Responses The total number of HTTP responses with a 5xx status code during the aggregation interval. server zone
plus.http.status.processing build version server_zone avg Server Zone Status Processing The number of client requests that are currently being processed. server zone
plus.http.response.count build version location_zone count Location Zone HTTP Responses The total number of HTTP responses in the aggregation interval. location zone
plus.http.status.1xx build version location_zone count Location Zone HTTP 1xx Responses The total number of HTTP responses with a 1xx status code during the aggregation interval. server zone
plus.http.status.2xx build version location_zone count Location Zone HTTP 2xx Responses The total number of HTTP responses with a 2xx status code during the aggregation interval. server zone
plus.http.status.3xx build version location_zone count Location Zone HTTP 3xx Responses The total number of HTTP responses with a 3xx status code during the aggregation interval. server zone
plus.http.status.4xx build version location_zone count Location Zone HTTP 4xx Responses The total number of HTTP responses with a 4xx status code during the aggregation interval. server zone
plus.http.status.5xx build version location_zone count Location Zone HTTP 5xx Responses The total number of HTTP responses with a 5xx status code during the aggregation interval. server zone
plus.http.request.bytes_rcvd build version server_zone count Server Zone Bytes Received The total number of bytes received from clients during the aggregation interval. server zone
plus.http.request.bytes_sent build version server_zone count Server Zone Bytes Sent The total number of bytes sent to clients during the aggregation interval. server zone
plus.http.request.bytes_rcvd build version location_zone count Location Zone Bytes Received The total number of bytes received from clients during the aggregation interval. location zone
plus.http.request.bytes_sent build version location_zone count Location Zone Bytes Sent The total number of bytes sent to clients during the aggregation interval. location zone

NGINX SSL Statistics

Metric Dimensions Type Description Roll-up per
plus.http.ssl.failed build version count SSL Handshakes Failed The total number of failed SSL handshakes during the aggregation interval. deployment
plus.http.ssl.handshakes build version count SSL Handshakes The total number of successful SSL handshakes during the aggregation interval. deployment
plus.http.ssl.resuses build version count SSL Session Reuses The total number of session reuses during SSL handshakes in the aggregation interval. deployment

NGINX Cache Statistics

Metric Dimensions Type Description Roll-up per
plus.cache.hit.ratio build version cache_zone avg Cache Hit Ratio The average ratio of cache hits to misses during the aggregation interval. cache zone

NGINX Upstream Statistics

Metric Dimensions Type Description Roll-up per
plus.http.upstream.peers.conn.active build version upstream peer.address peer.name avg Upstream Server Active Connections The average number of active client connections during the aggregation interval. upstream server
plus.http.upstream.peers.request.count build version upstream peer.address peer.name count Upstream Server HTTP Requests The total number of HTTP requests during the aggregation interval. upstream server
plus.http.upstream.peers.response.count build version upstream peer.address peer.name count Upstream Server HTTP Responses The total number of HTTP responses during the aggregation interval. upstream server
plus.http.upstream.peers.status.1xx build version upstream peer.address peer.name count Upstream Server HTTP 1xx Responses The total number of HTTP responses with a 1xx status code during the aggregation interval. upstream server
plus.http.upstream.peers.status.2xx build version upstream peer.address peer.name count Upstream Server HTTP 2xx Responses The total number of HTTP responses with a 2xx status code during the aggregation interval. upstream server
plus.http.upstream.peers.status.3xx build version upstream peer.address peer.name count Upstream Server HTTP 3xx Responses The total number of HTTP responses with a 3xx status code during the aggregation interval. upstream server
plus.http.upstream.peers.status.4xx build version upstream peer.address peer.name count Upstream Server HTTP 4xx Responses The total number of HTTP responses with a 4xx status code during the aggregation interval. upstream server
plus.http.upstream.peers.status.5xx build version upstream peer.address peer.name count Upstream Server HTTP 5xx Responses The total number of HTTP responses with a 5xx status code during the aggregation interval. upstream server
plus.http.upstream.peers.request.bytes_sent build version upstream peer.address peer.name count upstream server
plus.http.upstream.peers.request.bytes_rcvd build version upstream peer.address peer.name count upstream server
plus.http.upstream.peers.state.up build version upstream peer.address peer.name boolean Upstream Server State Up Current state of upstream servers in deployment. If all upstream servers in the deployment are up, then the value will be 1. If any upstream server is not up, then the value will be 0. upstream peer
plus.http.upstream.peers.state.draining build version upstream peer.address peer.name boolean Upstream Server State Draining Current state of upstream servers in deployment. If any of the upstream servers in the deployment are draining, then the value will be 1. If no upstream server is draining, then the value will be 0. upstream peer
plus.http.upstream.peers.state.down build version upstream peer.address peer.name boolean Upstream Server State Down Current state of upstream servers in deployment. If any of the upstream servers in the deployment are down, then the value will be 1. If no upstream server is down, then the value will be 0. upstream peer
plus.http.upstream.peers.state.unavail build version upstream peer.address peer.name boolean Upstream Server State Unavailable Current state of upstream servers in deployment. If any of the upstream servers in the deployment are unavailable, then the value will be 1. If no upstream server is unavailable, then the value will be 0. upstream peer
plus.http.upstream.peers.state.checking build version upstream peer.address peer.name boolean Upstream Server State Check Current state of upstream servers in deployment. If any of the upstream servers in the deployment is being checked then the value will be 1. If no upstream server is being checked then the value will be 0. upstream peer
plus.http.upstream.peers.state.unhealthy build version upstream peer.address peer.name boolean Upstream Server State Unhealthy Current state of upstream servers in deployment. If any of the upstream servers in the deployment are unhealthy then the value will be 1. If no upstream server is unhealthy then the value will be 0. upstream peer
plus.http.upstream.peers.fails build version upstream peer.address peer.name count Upstream Server Fails The total number of unsuccessful attempts to communicate with the server during the aggregation interval. upstream peer
plus.http.upstream.peers.unavail build version upstream peer.address peer.name count Upstream Server Unavailable The number of times the server became unavailable for client requests (state “unavail”) due to the number of unsuccessful attempts reaching the max_fails threshold during the aggregation interval. upstream peer
plus.http.upstream.peers.health_checks.checks build version upstream peer.address peer.name count Upstream Server Health Checks The total number of health check requests made during the aggregation interval. upstream peer
plus.http.upstream.peers.health_checks.fails build version upstream peer.address peer.name count Upstream Server Health Checks Fails The number of failed health checks during the aggregation interval. upstream peer
plus.http.upstream.peers.health_checks.unhealthy build version upstream peer.address peer.name count Upstream Server Health Checks Unhealthy How many times the server became unhealthy (state “unhealthy”) during the aggregation interval. upstream peer
plus.http.upstream.peers.health_checks.last_passed build version upstream peer.address peer.name boolean Upstream Server Health Checks Last Pass last_passed (boolean) indicating if the last health check request was successful and passed tests. upstream peer
plus.http.upstream.peers.downstart build version upstream peer.address peer.name timestamp Upstream Server Downstart The time when the server became “unavail”, “checking”, or “unhealthy”, as a UTC timestamp. upstream peer
plus.http.upstream.peers.response.time build version upstream peer.address peer.name avg Upstream Server Response Time The average time to get the full response from the server during the aggregation interval. upstream server
plus.http.upstream.peers.header.time build version upstream peer.address peer.name avg Upstream Server Header Time The average time to get the response header from the server upstream server
plus.http.upstream.zombies build version avg Upstream Zombies The current number of servers removed from the group but still processing active client requests deployment
plus.http.upstream.keepalives build version avg Upstream Keepalive Connections The current number of idle keepalive connections deployment
plus.http.upstream.queue.maxsize build version avg Upstream Queue Max Size The maximum number of requests that can be in the queue at the same time deployment
plus.http.upstream.queue.overflows build version sum Upstream Queue Overflows The total number of requests rejected due to the queue overflow deployment
plus.http.upstream.queue.size build version avg Upstream Queue Size The current number of requests in the queue deployment

What’s Next

To get help, see Troubleshooting NGINX for Azure.