Exploring options for collecting and aggregating metrics

The sheer complexity and level of customization that is inherent in modern, microservice-based systems has led to the development of specialized tooling to facilitate the collection and aggregation of metrics.

In this section, we will be briefly discussing a few popular pieces of software for achieving this task.

Comparing push versus pull systems

Monitoring and metrics aggregation systems can be classified into two broad categories based on the entity that initiates the data collection:

• In a push-based system, the client (for example, the application or a data collection service running on a node) is responsible for transmitting the metrics data to the metrics aggregation...