Exercise 6 – auto-instrumentation
In the previous exercises, we added a lot of manual instrumentation to our application. One may get the impression that it always takes so much work to instrument code for distributed tracing. In reality, things are a lot better thanks to a large amount of already-created, open source, vendor-neutral instrumentation for popular frameworks that exists in the OpenTracing project under its community contributions organization: https://github.com/opentracing-contrib/meta. In this exercise, we will explore some of those modules to minimize the amount of manual, boiler-plate instrumentation in the Hello application.
Open source instrumentation in Go
Due to its "no magic" design principle, with Go it is a bit tougher to ...
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