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Django 4 By Example

You're reading from   Django 4 By Example Build powerful and reliable Python web applications from scratch

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781801813051
Length 766 pages
Edition 4th Edition
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Author (1):
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Antonio Melé Antonio Melé
Author Profile Icon Antonio Melé
Antonio Melé
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Table of Contents (20) Chapters Close

Preface 1. Building a Blog Application FREE CHAPTER 2. Enhancing Your Blog with Advanced Features 3. Extending Your Blog Application 4. Building a Social Website 5. Implementing Social Authentication 6. Sharing Content on Your Website 7. Tracking User Actions 8. Building an Online Shop 9. Managing Payments and Orders 10. Extending Your Shop 11. Adding Internationalization to Your Shop 12. Building an E-Learning Platform 13. Creating a Content Management System 14. Rendering and Caching Content 15. Building an API 16. Building a Chat Server 17. Going Live 18. Other Books You May Enjoy
19. Index

Using the cache framework

Processing HTTP requests to your web application usually entails database access, data manipulation, and template rendering. It is much more expensive in terms of processing than just serving a static website. The overhead in some requests can be significant when your site starts getting more and more traffic. This is where caching becomes precious. By caching queries, calculation results, or rendered content in an HTTP request, you will avoid expensive operations in the following requests that need to return the same data. This translates into shorter response times and less processing on the server side.

Django includes a robust cache system that allows you to cache data with different levels of granularity. You can cache a single query, the output of a specific view, parts of rendered template content, or your entire site. Items are stored in the cache system for a default time, but you can specify the timeout when you cache data.

This is how you...

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