Haven't tried in production, but Janus Graph[0] supposed to be able to scale to the sizes you're describing. The another one I looked at is ArangoDB[1] but agai

Haven't tried in production, but Janus Graph[0] supposed to be able to scale to the sizes you're describing. The another one I looked at is ArangoDB[1] but again, never used in production. [0] http://janusgraph.org http://janusgraph.org [1] https://www.arangodb.com https://www.arangodb.com