ri > ActionController::Caching

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```html

📖 Name

ActionController::Caching

🚀 Quick Reference

Use Case	Command	Description
🔧 Configure caching store	config.action_controller.cache_store = :memory_store	Use in-memory cache (default for development/test)
📁 File-based cache	config.action_controller.cache_store = :file_store, '/path/to/cache/directory'	Store cache on disk in the specified directory
🌐 Memcached cache	config.action_controller.cache_store = :mem_cache_store, 'localhost'	Use a Memcached server at localhost
🧩 Custom cache store	config.action_controller.cache_store = MyOwnStore.new('parameter')	Use a custom cache store implementation
🚫 Disable caching	config.action_controller.perform_caching = false	Turn off all Action Controller caching

🧩 Includes

AbstractController::Caching (from /home/chedong/.local/share/rdoc)

🔌 Extended by

ActiveSupport::Concern (from /home/chedong/.local/share/rdoc)

📝 Description

Caching is a cheap way of speeding up slow applications by keeping the result of calculations, renderings, and database calls around for subsequent requests.

You can read more about each approach by clicking the modules below.

Note: To turn off all caching provided by Action Controller, set

config.action_controller.perform_caching = false

All the caching stores from ActiveSupport::Cache are available to be used as backends for Action Controller caching.

🏪 Caching Stores

Configuration examples (FileStore is the default):

config.action_controller.cache_store = :memory_store
config.action_controller.cache_store = :file_store, '/path/to/cache/directory'
config.action_controller.cache_store = :mem_cache_store, 'localhost'
config.action_controller.cache_store = :mem_cache_store, Memcached::Rails.new('localhost:11211')
config.action_controller.cache_store = MyOwnStore.new('parameter')

```

📖 Name 🚀 Quick Reference 🧩 Includes 🔌 Extended by 📝 Description 🏪 Caching Stores