Not sure if this fits the example you have in mind: https://medium.com/pinterest-engineering/an-update-on-pixie-pinterests-recommendation-system-6f273f737e1b ht

Not sure if this fits the example you have in mind: https://medium.com/pinterest-engineering/an-update-on-pixie-pinterests-recommendation-system-6f273f737e1b https://medium.com/pinterest-engineering/an-update-on-pixie-... > The ultimate goal is to fit the entire Pinterest graph in memory. Obviously we can’t fit the entire 100 billion edges in RAM, but once we prune down to 20 billion edges, we end up with a graph that’s 150GB.