https://blog.palark.com/prometheus-architecture-tsdb/

Prometheus is a powerful monitoring tool, and understanding its architecture, particularly the Time Series Database (TSDB), is key to effectively managing and querying metrics. This article from Palark delves into the architecture of Prometheus with a focus on TSDB, explaining how it stores and retrieves time-series data. Learn about the inner workings of Prometheus to optimize your monitoring setup and gain deeper insights into your system’s performance.