Michael Hackstein (@mchacki) talks about the new SmartGraphs feature @GoToLondon. In short it enables you to shard really huge graphs in a cluster achieving close to the same performance as on a single instance. Read more about the features of ArangoDB 3.1 here: https://www.arangodb.com/2016/10/release-candidate-2-of-arangodb-3-1/