JanusGraph is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. JanusGraph is a transactional database that can support thousands of concurrent users executing complex graph traversals in real time. More on janusgraph.org
Apache Ignite is an in-memory computing platform for transactional, analytical, and streaming workloads delivering in-memory speeds at petabyte scale. More on ignite.apache.org
This project transforms JanusGraph into a distributed in-memory graph database at petabyte scale.
The current version is 0.5.3 and is compliant with JanusGraph 0.5.3.