What is action caching in Ruby on Rails?

What is action caching in Ruby on Rails?

Action caching is a technique in Ruby on Rails that allows you to cache the output of controller actions, improving performance.

How does it differ from fragment caching?

Fragment caching stores parts of views, while action caching caches the entire output of a controller action.

Can you give me an example of how to implement action caching?

Sure! You can use the caches_action method in your controller to cache the output of a specific action.

Are there any downsides to using action caching?

Yes, action caching can lead to stale data if the underlying data changes frequently, so it's important to manage cache expiration.