What are some effective caching strategies in Rails?

What are some effective caching strategies in Rails?

In Rails, you can use various caching strategies like fragment caching, action caching, and low-level caching. Fragment caching allows you to cache parts of your views, while action caching caches the entire output of a controller action. Low-level caching gives you more control over what to cache.

Can you explain fragment caching in more detail?

Sure! Fragment caching lets you cache specific parts of your views. You can use the cache helper in your views to wrap around the content you want to cache. This is useful for reducing rendering time for complex views.

How do I expire cached fragments?

You can expire cached fragments by using the expire_fragment method in your controller or model. You can specify the cache key to remove the cached content when needed.

Are there any best practices for caching in Rails?

Yes, some best practices include caching only what is necessary, monitoring cache performance, and using cache versioning to avoid stale data.