January 2020
Intermediate to advanced
640 pages
16h 56m
English
Content preview from Hands-On Software Engineering with Golang
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Metrics Collection and Visualization
"What's measured improves."
- Peter Drucker
In the previous chapters, we converted our initial monolithic application into a set of microservices that are now running distributed inside our Kubernetes cluster. This paradigm shift introduced a new item to our list of project requirements: as system operators, we must be able to monitor the health of each individual service and be notified when problems arise.
We will begin this chapter by comparing the strengths and weaknesses of popular systems for capturing and aggregating metrics. Then we will focus our attention on Prometheus, a popular metrics collection system written entirely in Go. We will explore approaches for instrumenting our code to facilitate ...