Patent ID: 9514245
Filing Date: 2016-12-06
CPC Classification: G06F,H04L

Claim Text:
1. A system comprising: one or more first computing devices providing a persistent-storage database operative to maintain a graph data structure comprising a plurality of graph nodes and a plurality of graph edges connecting the graph nodes, a graph edge connecting two graph nodes indicating an association between the two graph nodes, each graph node being a data object corresponding to a profile associated with a social-networking system and having a unique graph-node identifier; and a plurality of second computing devices coupled to the one or more first computing devices and providing a cache layer between the persistent-storage database and a plurality of client servers, the cache layer comprising a plurality of follower cache clusters that each comprise one or more follower cache nodes, each follower cache node comprising one or more one individual computing system, each follower cache node being operative to: