Trace Header Record For Free

The traceparent header uses the version-trace_id-parent_id-trace_flags format where: version is always 00 . trace_id is a hex-encoded trace id. span_id is a hex-encoded span id. trace_flags is a hex-encoded 8-bit field that contains tracing flags such as sampling, trace level, etc.

Trace ID Format A trace_id consists of three numbers separated by hyphens. For example, 1-58406520-a006649127e371903a2de979 .

The first line of trace data is a trace header that identifies the trace and shows the current application ID, the current function, and the current screen.

HTTP request tracing is a feature of IIS that provides a way to determine what exactly is happening with a request. This includes any form of authentication, which handler was used, and how long each step took in the pipeline. Enabling request tracing is a useful way to diagnose unexpected or undesirable behavior.

Trace-id is a unique identifier of the request in the tracing system, which adds the possibility of tracing the history of the request in detail. It is intended to be used only on rare occasions when assistance from the development team is required. Open the developers tool in your browser (F12 in Google Chrome).

Every request that lands on your application should have a trace id ? a random unique alphanumeric string. The trace id is usually called a request id. From there onwards, the request id should be part of whichever code path the request invokes within the application as well as any external calls it makes.

The traceparent request header represents the incoming request in a tracing system in a common format, understood by all vendors. Here's an example of a traceparent header. For example, say a client and server in a system use different tracing vendors: Congo and Rojo.