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A Primer on Prometheus

Nikhil Varghese provides an introduction to Prometheus:

Prometheus is an open-source monitoring system for processing time series metric data. It collects, organizes, and stores metrics using unique identifiers and timestamps. DevOps teams and developers query that data using PromQL and then visualize it in a UI such as Grafana.

Read on to learn more about the pieces fit together and some of the key terminology.