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Introduction to Prometheus, PromQL, and PromLens

Rawkode Academy via YouTube

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An introduction to running and configuring Prometheus, exploring metrics, and querying them with PromQL. It demonstrates PromLens’s visual query builder and query explanations through a disk-filling scenario.

Syllabus

- Holding screen
- Introductions
- What is Prometheus?
- Why write your own database?
- Running Prometheus
- Prometheus configuration
- Exploring and understanding Prometheus metrics
- Querying with the Prometheus UI
- Adding the node_exporter
- A new UI: PromLens
- Using the rate function
- Why PromLens and a look at its editor and features
- Contrived situation - lets fill up the disk
- Final thoughts
- Viewer question: What metrics are important for a web application?

Taught by

Rawkode Academy

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