Given the context, it seems like "warehouse" in parent's comment was more specifically "data warehouse": http://en.m.wikipedia.org/wiki/Data_warehouse http://en

Given the context, it seems like "warehouse" in parent's comment was more specifically "data warehouse": http://en.m.wikipedia.org/wiki/Data_warehouse http://en.m.wikipedia.org/wiki/Data_warehouse While I couldn't quickly find anything that speaks to any kind of average or normal size of a data warehouse, this article mentions Facebook's being around 300PB: https://code.facebook.com/posts/229861827208629/scaling-the-facebook-data-warehouse-to-300-pb/ https://code.facebook.com/posts/229861827208629/scaling-the-...