Rails Russian Doll Caching For Multi-Language Sites

I’ve been digging in on Rails russian doll caching lately, working on various performance improvements of a high-traffic site that is pushing the limits of our server.

One thing worth noting is that if your site is multi-lingual is that you’re going to need to modify the default cache call to account for locale in the cache key, for example:

instead of:

- cache blog_post do

You’ll want to include the locale:

- cache [I18n.locale, blog_post] do 

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