The HTTP client supports monitoring capabilities, which are off by default to avoid performance impact. The monitoring and metrics calculation features are enabled by default only when the global metric feature is activated.

Metrics List

Metric Name	Metric Type	Metric Unit	Metric Description
http.client.request.duration	Histogram	ms	Time cost of client request execution.
http.client.request.duration_total	Counter	ms	Total time cost used by each request.
http.client.connection.duration	Histogram	ms	Time cost used for creating a connection.
http.client.request.total	Counter		Total number of requests completed.
http.client.request.active	Gauge		Number of requests currently being processed.
http.client.request.body_size	Counter	bytes	Total size of request bytes.
http.client.response.body_size	Counter	bytes	Total size of returned bytes.

Attributes List

Label Name	Label Description	Label Example
server.address	Target service address of the request. It could be a domain name or IP address.	goframe.org 10.0.1.132
server.port	Target service port of the request.	8000
http.request.method	Request method name.	GET; POST; DELETE
http.response.status_code	HTTP status code of the response.	200
url.schema	Protocol used for the request.	http https
network.protocol.version	Version of the request protocol.	1.0 1.1