[repost ]TAO: The power of the graph

original:https://www.facebook.com/notes/facebook-engineering/tao-the-power-of-the-graph/10151525983993920 Facebook puts an extremely demanding workload on its data backend. Every time any one of over a billion active users visits Facebook through a desktop browser or on a mobile device, they are presented with hundreds of pieces of information from the social graph. Users see News Feed stories; comments, likes, and shares for [...]



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