Lua scripting is really exciting. I wrote a library to simplify using Redis' lua scripting facility from inside a rails app: http://shopify.github.com/wolverin

Lua scripting is really exciting. I wrote a library to simplify using Redis' lua scripting facility from inside a rails app: http://shopify.github.com/wolverine/ http://shopify.github.com/wolverine/. We've been using it at Shopify for inventory management, and it's let us do a lot of cool stuff, faster than ever. Disclaimer: I built it before I understood what the KEYS arguments were supposed to be used for, so it won't play nice with clustering, yet.