Dive into an in-depth exploration of Prometheus, PromQL, and PromLens in this comprehensive video featuring Julius Volz, co-founder of Prometheus and founder of PromCon and PromLabs. Learn about the open-source systems monitoring and alerting toolkit, its history, and its adoption by various companies and organizations. Discover the intricacies of PromQL, the query language of Prometheus, and its challenges for both beginners and advanced users. Explore PromLens, a tool designed to make learning and using PromQL easier and more productive. Follow along as the video covers topics such as running Prometheus, configuring the system, understanding metrics, querying with the Prometheus UI, and utilizing the node_exporter. Gain insights into the features and benefits of PromLens, including its visual query builder and explanation tools. Participate in a practical exercise to fill up a disk and learn about important metrics for web applications. Benefit from the expertise of industry professionals and enhance your understanding of these powerful monitoring and alerting tools. Read more