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The KCNA Book

You're reading from   The KCNA Book Pass the Kubernetes and Cloud Native Associate exam in style

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Product type Paperback
Published in Jun 2023
Publisher
ISBN-13 9781835080399
Length 197 pages
Edition 1st Edition
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Author (1):
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Nigel Poulton Nigel Poulton
Author Profile Icon Nigel Poulton
Nigel Poulton
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Table of Contents (12) Chapters Close

1. Getting started 2. 1: Setting the scene FREE CHAPTER 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

Cost management

Effective cost management is a key part of managing cloud native apps and infrastructure, and you should always consider the following three things.

  1. Choosing the right infrastructure
  2. Rightsizing
  3. Turning unused infrastructure off

Choosing the right infrastructure

Choosing the right cloud platform is a vital decision. However, even after you’ve chosen your cloud, there are still a lot of decisions that have a high impact on costs and cost management.

For example, most clouds offer the following instance categories – instance is the technical term for a virtual server on a cloud.

  • On-demand
  • Reserved
  • Spot

On-demand instances are the most common and most flexible, however, they’re the most expensive. You can create and delete them “on demand” and they’re yours for as long as you need them.

Reserved instances come at a discounted price in exchange for a long-term commitment. For example, if you commit to a use...

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