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Mastering Symfony

You're reading from   Mastering Symfony Orchestrate the designing, development, testing, and deployment of web applications with Symfony

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Product type Paperback
Published in Apr 2016
Publisher
ISBN-13 9781784390310
Length 290 pages
Edition 1st Edition
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Toc

Table of Contents (14) Chapters Close

Preface 1. Installing and Configuring Symfony FREE CHAPTER 2. The Request and Response Life Cycle 3. Setting Up the Environment 4. Using Behavior-Driven Development in Symfony 5. Business Logic 6. Dashboard and Security 7. The Presentation Layer 8. Project Review 9. Services and Service Containers 10. Custom User Commands 11. More about Dev, Test and Prod Environments 12. Caching in Symfony Index

Putting it all together

So now we have the required setup for gateway cache (or reverse proxy cache) and Doctrine cache. Let's see how we can apply both of them to a specific page.

Let's say we are inside the project page; some parts of it rarely change, such as the project title and descriptions, and some parts of it change a lot, such as new tasks, finished tasks, and current tasks.

Let Doctrine take care of the required metadata, query, and result caches on the database side and feed them to the template. We can define a relatively long expiry period for the page itself and feed it to the gateway cache. However, there is a problem here.

As the dynamic parts of the page change faster than other parts, we won't be able to see the real updates to that page.

If we try to fix the problem by making the expiry time shorter and adding a validation strategy, we will have another problem. As the page will be modified more often, the gateway cache states will turn stale more than they...

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