Simple Log Service:Log fields

Field

Description

body_bytes_sent

The number of bytes sent to the client in the response body, excluding the response header.

client_ip

The IP address of the client that sent the request.

host

The domain name or IP address of the requested server. The host is determined first by the request parameter, then by the host header. If neither is available, the host is determined by the IP address of the backend server handling the request.

http_referer

The HTTP request header that identifies the URL from which the request originated.

http_user_agent

The HTTP request header that identifies the client initiating the request.

x_forwarded_for

The originating IP address of a client connecting through an HTTP proxy.

request_length

The total size of the HTTP request in bytes, including the request line, headers, and body.

method

The HTTP method used for the request, such as GET, POST, or HEAD.

request_time

The interval between the time when the proxy receives the first request and the time when the proxy returns a response. Unit: seconds.

url

The URI of the request.

version

The HTTP protocol version, such as HTTP/1.0 or HTTP/1.1.

status

The HTTP status code of the response from the proxy.

time

The time when the log entry is generated.

upstream_addr

The IP address and port number of the backend server.

upstream_response_time

The interval between the time when the Server Load Balancer instance connects to the backend server and the time when the instance disconnects from the backend server after the required data is received. Unit: seconds.

upstream_status

The HTTP status code received by the proxy from the backend server.

proxy_upstream_name

The designated name of the backend service to which the proxy forwards requests, following the Kubernetes naming convention namespace-service-port.

proxy_alternative_upstream_name

An alternative backend service name for request forwarding, in the Kubernetes naming format namespace-service-port. This field is optional. When present, the proxy_upstream_name field is typically ignored.