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The KCNA Book

You're reading from  The KCNA Book

Product type Book
Published in Jun 2023
Publisher Packt
ISBN-13 9781835080399
Pages 197 pages
Edition 1st Edition
Languages
Author (1):
Nigel Poulton Nigel Poulton
Profile icon Nigel Poulton

Table of Contents (12) Chapters

1. Getting started 2. 1: Setting the scene 3. 2: Cloud native architecture 4. 3: Container orchestration 5. 4: Kubernetes Fundamentals 6. 5: Cloud native application delivery 7. 6: Cloud native observability 8. The exam 9. 8: Sample test
10. What next Appendix A: Chapter quiz answers 1. Appendix B: Sample Test answers

Prometheus

Prometheus is considered the industry standard monitoring tool for Kubernetes and cloud native environments. It was created by SoundCloud in 2012 when they realised existing monitoring tools weren’t good enough for what they needed. It was donated to the CNCF as an open-source project in 2016 and became the second project to graduate the CNCF in late 2018.

It’s a common pattern to run cloud native applications on Kubernetes, use Prometheus for monitoring and alerting, and use Grafana for dashboards and visualisation.

How Prometheus works

At a high level, every microservice should generate high-quality telemetry in the form of logs and metrics. Prometheus collects these and stores them where they can be queried and analysed to help with troubleshooting and optimisation. It can also feed into Grafana for high-quality dashboards and visualisations.

Digging a little deeper…

Prometheus expects applications to expose metrics via the /metrics HTTP endpoint...

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