Shopify Open Source > identity_cacheidentity_cache IdentityCache is a blob level caching solution to plug into ActiveRecord. Don't #find, #fetch! IdentityCache Opt in read through ActiveRecord caching used in production and extracted from Shopify. IdentityCache lets you specify how you want to cache your model objects, at the model level, and adds a number of convenience methods for accessing those objects through the cache. Memcach
