One approach that can be useful here is to use correlation IDs. When the first call is made, you generate a GUID for the call. This is then passed along to all subsequent calls, as seen in Figure 8-5, and can be put into your logs in a structured way, much as you’ll already do with components like the log level or date. With the right log aggregation tooling, you’ll then be able to trace that event all the way through your system:
