Ravindra BagaleCourses & study guides

Chapter 13: Monitoring Basics

Chala mitrano, aaj aapan monitoring. Bike dashboard — speed, fuel, temperature — highway var rokaychya aadhi. Golden signals, host metrics (CPU/RAM/disk), aani primary path: Prometheus + Node Exporter + Grafana. CloudWatch cha short mention — AWS course madhe depth. Alert fatigue tip aani disk threshold lab. Ghabru naka: ek clear dashboard + ek useful alert.

What you will learn in this chapter

  • Golden signals in plain English
  • Host metrics: CPU, RAM and disk
  • Prometheus + Node Exporter primary path
  • A simple Grafana dashboard
  • One useful disk alert without noise

Concepts in this chapter

  1. 13.1Why monitor — dashboard before the outage call
  2. 13.2Golden signals — four questions in plain English
  3. 13.3Host metrics — CPU, RAM, disk
  4. 13.4Primary path — Prometheus + Node Exporter + Grafana
  5. 13.5Node Exporter — expose host metrics
  6. 13.6Prometheus — scrape and store
  7. 13.7Grafana — one calm dashboard
  8. 13.8Alerting — one disk threshold that matters
  9. 13.9What about application metrics?
  10. 13.10CloudWatch in one paragraph (secondary path)
  11. 13.11Anti-patterns
  12. 13.12Troubleshooting table
  13. 13.13Lab — disk metric path and a triggered alert

The chapter recap is at the end of the last concept page.