

Home

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.

In addition, JanusGraph provides the following features:

• Elastic and linear scalability for a growing data and user base.
• Data distribution and replication for performance and fault tolerance.
• Multi-datacenter high availability and hot backups.
• Support for ACID and eventual consistency.
• Support for various storage backends:
  • Apache Cassandra®
  • Apache HBase®
  • Google Cloud Bigtable
  • Oracle BerkeleyDB
• Support for global graph data analytics, reporting, and ETL through integration with big data platforms:
  • Apache Spark™
  • Apache Giraph™
  • Apache Hadoop®
• Support for geo, numeric range, and full-text search via:
  • ElasticSearch™
  • Apache Solr™
  • Apache Lucene®
• Native integration with the Apache TinkerPop™ graph stack:
  • Gremlin graph query language
  • Gremlin graph server
  • Gremlin applications
• Open source under the Apache 2 license.
• You can visualize graphs stored in JanusGraph via any of the following tools:
  • Cytoscape
  • Gephi plugin for Apache TinkerPop
  • Graphexp
  • KeyLines by Cambridge Intelligence
  • Linkurious

You can download JanusGraph or clone from GitHub.

Read the JanusGraph documentation and join the users or developers mailing lists.

Follow the Getting Started with JanusGraph guide for a step-by-step introduction.

About

JanusGraph is a project under The Linux Foundation, and includes participants from Expero, Google, GRAKN.AI, Hortonworks, IBM and Amazon.

Presentations

Here is a selection of JanusGraph presentations:

• DataWorksJun2017: Large Scale Graph Analytics with JanusGraph, P. Taylor Goetz, 2017.06.13

• HBaseCon2017 Community-Driven Graphs with JanusGraph, Jing Chen He & Jason Plurad, 2017.06.12

Users

The following users have deployed JanusGraph in production.