February 2019
Intermediate to advanced
444 pages
11h 36m
English
We have learned that the application consists of several microservices. What exactly does the request flow look like? It is time to look at the actual trace. Let's go to the Search page in the Jaeger UI. Under the Find Traces caption, the Services dropdown contains the names of the services we saw in the dependency diagram. Since we know that frontend is the root service, let's choose it and click the Find Traces button.

Figure 2.5: Results of searching for all traces in the last hour from the service frontend
The system found two traces and displayed some metadata about them, such as the names of different services that participated ...