Microservices are truly distributed systems with a vast technological and deployment topology. Without proper monitoring in place, the operational team may soon run into trouble managing large-scale microservice systems. To add complications to our problem, microservices dynamically change their topologies based on load. This demands a proper monitoring service. In this section, we will learn about the need of monitoring and look at some monitoring tools.
Let's start by discussing Monitoring 101. Monitoring, in general, can be defined as a collection of some metrics, predefined service level agreements (SLAs), aggregation, and their validations and adherence to prefixed baseline values. Whenever there is a service level breach, a monitoring tool has to generate an alert and send it across to administrators. In this section, we will look at monitoring to understand the behavior of a system from a user experience point of view, and the challenges of monitoring, and...