There's some actual detail on the Python -> Elixir move here: https://medium.com/pinterest-engineering/fighting-spam-with-guardian-a-real-time-analytics-and-ru

There's some actual detail on the Python -> Elixir move here: https://medium.com/pinterest-engineering/fighting-spam-with-guardian-a-real-time-analytics-and-rules-engine-938e7e61fa27 https://medium.com/pinterest-engineering/fighting-spam-with-... In short, the Elixir is doing something completely different. And they are also not counting some new pieces like the database cluster and kafka based aggregators, etc.