February 2019
Intermediate to advanced
444 pages
11h 36m
English
Traditional monitoring tools were designed for monolith systems, observing the health and behavior of a single application instance. They may be able to tell us a story about that single instance, but they know almost nothing about the distributed transaction that passed through it. These tools lack the context of the request.
It goes like this: "Once upon a time…something bad happened. The end." How do you like this story? This is what the chart in Figure 1.5 tells us. It's not completely useless; we do see a spike and we could define an alert to fire when this happens. But can we explain or troubleshoot the problem?
Figure 1.5: A graph of two time series representing (hypothetically) the volume of traffic to ...