Fragment Caching Using T-Cache In Odoo 16

June 13, 2023

Fragment caching is a powerful technique in Odoo 16 that can significantly improve the performance of your Odoo applications and websites. By selectively caching specific fragments of web pages, you can reduce response time, improve user experience, and optimize server resources. In this article, we will provide a comprehensive overview of fragment caching using T-Cache in Odoo 16.

What is fragment caching?

Fragment caching refers to caching specific parts or fragments of a website or application, rather than caching the entire page. This technique is especially useful for dynamic content that doesn’t change often. By caching these smaller fragments, you can avoid regenerating the entire page for each request, resulting in faster response and better overall performance.

Benefits of fragment caching

Implementing fragment caching offers several advantages

  1. Improved Performance: By caching frequently used fragments, you can reduce the processing time required to generate a page, resulting in faster response and better performance.
  2. Reduced Server Load: Fragment caching increases server load by serving cached content instead of running the same code and repeatedly querying the database. This reduces server load and improves scalability.
  3. Improved User Experience: Faster loading results in a better user experience, increasing user engagement and satisfaction. Users are more likely to stay on your site and interact with your app if they experience fast and smooth performance.

Understanding T-Cache in Odoo 16

Before we dive into fragment caching, let’s briefly understand Odoo 16 and the concept of T-Cache.

Odoo Overview 16

Odoo 16 is an open-source business management software that provides a set of integrated applications to streamline various business operations. With each version, Odoo introduces performance optimizations to improve user experience and overall system efficiency.


Introduction to T-Cache

T-Cache is a caching mechanism introduced in Odoo 16 specifically designed for fragment caching. It uses Redis, an in-memory data structure store, to store and retrieve cached fragments efficiently. By leveraging T-Cache, Odoo 16 provides seamless integration with the caching system, making it easy to implement fragment caching in your applications.

How T-Cache works

When a request is made to a web page or application, T-Cache intercepts the rendering process and checks if there are any fragments that can be cached. If the fragment is cacheable, T-Cache retrieves it from the cache instead of running the corresponding code and querying the database. This caching mechanism significantly reduces the time to generate a page, resulting in better performance.

 Implementation of fragment caching using T-Cache in Odoo 16

To implement fragment caching using T-Cache in Odoo 16, you can do:

  1. Step 1: Enable T-Cache in Odoo 16: Start by making sure Redis is installed and running on your system. Then enable T-Cache in the Odoo configuration file by specifying the Redis connection details.
  2. Step 2: Configure Fragment Caching: Configure the cache settings in your Odoo application. Define cache rules and specify cache keys for the fragments you want to cache. You can set the cache expiration time and choose whether to cache fragments globally or per-user session.
  3. Step 3: Identify Cacheable Fragments: Identify the parts of your application or website that can benefit from caching. They may include frequently used data, product listings, offers, or navigation bars.
  4. Step 4: Using Caching Directives: Add the necessary caching directives to your Odoo code to mark cacheable fragments. Use the appropriate Odoo.

API methods and decorators that specify which fragments should be cached and how they should be invalidated when the underlying data changes.

  1. Step 5: Flush the cache: To ensure that cached fragments remain up-to-date, implement mechanisms to flush the cache when relevant data changes. Odoo provides various event triggers and cache invalidation techniques to handle this efficiently.

Best practices for caching fragments in Odoo 16

To get the most out of fragment caching in Odoo 16, consider the following best practices:

  1. Choose your cache fragments wisely: Not all parts of your application or website require caching. Identify the areas that have the most significant performance impact and focus on caching those fragments.
  2. Set an appropriate cache expiration time: Determine the optimal time to cache each fragment based on the update frequency and importance of the real-time data. Use shorter cache expiration times for more dynamic content.
  3. Monitor cache performance: Regularly monitor the performance of the fragment cache implementation. Use profiling tools and metrics to identify bottlenecks and fine-tune your caching strategy accordingly.

Caching fragments using T-Cache in Odoo 16 is a powerful technique to increase the performance of your Odoo applications and websites. By selectively caching specific pieces, you can significantly reduce response time, improve user experience, and optimize server resources. Implementing fragment caching requires careful planning in terms of cacheable fragments, caching directives, and cache management strategies. By following best practices and taking advantage of Odoo 16 capabilities, you can unlock the full potential of fragment caching in your Odoo projects.

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