Hands-On Software Engineering with Golang

Capturing metrics using Prometheus

Prometheus is a pull-based metrics collection system that was created at SoundCloud and subsequently released as open source. The following illustration (extracted from the official Prometheus documentation) describes the basic components that comprise the Prometheus ecosystem:

Figure 1: The Prometheus architecture

Let's briefly describe the role of each component shown in the preceding diagram:

• The Prometheus server is the core component of Prometheus. Its primary responsibility is to periodically scrape the configured set of targets and persist any collected metrics into a time-series database. As a secondary ...