There are some compelling reasons to use Titan at smaller scales: http://thinkaurelius.com/2013/11/24/boutique-graph-data-with-titan/ http://thinkaurelius.com/

There are some compelling reasons to use Titan at smaller scales: http://thinkaurelius.com/2013/11/24/boutique-graph-data-with-titan/ http://thinkaurelius.com/2013/11/24/boutique-graph-data-with... (good in-memory performance -- like Neo4j) http://thinkaurelius.com/2013/03/30/titan-server-from-a-single-server-to-a-highly-available-cluster/ http://thinkaurelius.com/2013/03/30/titan-server-from-a-sing... (if you do grow, its easy to add more machine)