NGINX Metrics Reference

Complete reference of all NGINX metrics collected by the Amplify Agent.

Connection Metrics

Metric	Description
nginx.http.conn.active	Current active connections
nginx.http.conn.reading	Connections reading request
nginx.http.conn.writing	Connections writing response
nginx.http.conn.waiting	Keep-alive connections waiting
nginx.http.conn.accepted	Total accepted connections
nginx.http.conn.dropped	Dropped connections

Request Metrics

Metric	Description
nginx.http.request.count	Total requests processed
nginx.http.request.current	Requests per second
nginx.http.request.body_bytes_sent	Response body bytes sent

Response Code Metrics

Metric	Description
nginx.http.status.2xx	Successful responses
nginx.http.status.3xx	Redirection responses
nginx.http.status.4xx	Client error responses
nginx.http.status.5xx	Server error responses
nginx.http.status.403	Forbidden — access denied by server configuration
nginx.http.status.404	Not Found — requested resource does not exist
nginx.http.status.500	Internal Server Error — backend failure
nginx.http.status.502	Bad Gateway — invalid response from upstream
nginx.http.status.503	Service Unavailable — backend overloaded or down
nginx.http.status.504	Gateway Timeout — upstream did not respond in time
nginx.upstream.status.2xx	Successful responses from upstream servers
nginx.upstream.status.4xx	Client error responses from upstream servers
nginx.upstream.status.5xx	Server error responses from upstream servers