JanusGraph DB

1
What Is JanusGraph ?

• A distributed graph database
• Open source / Apache 2.0 license
• Written in Java
• Uses Apache Tinkerpop stack / Gremlin
• Supports various storage backends
• Supports graph analytics
• Supports geo, numeric range, and full-text search

2
What Is JanusGraph ?

• It is highly scaleable
• Optimized for big data
• Supports graphs in the billion vertex range
• Its is a clustered database
• It is a Linux Foundation project
• Participants include
• Expero, Google, GRAKN.AI
• Hortonworks (Cloudera)
• IBM and Amazon

3
History of JanusGraph

• 2012 Aurelius develop TitanDB
• 2015 DataStax acquire Aurelius
• DataStax unveiled DataStax Enterprise Graph
• A graph DB with Titan functionality
• Tightly integrated with Cassandra
• The open source community take TitanDB to Apache
• 2017 JanusGraph is launched via the Linux
  Foundation

4
JanusGraph Storage

• JanusGraph storage is configurable
• Apache Cassandra
• Apache HBase
• Google Cloud Bigtable
• Oracle BerkeleyDB
• ScyllaDB
• In memory storage
• Third party adapters available for
• Aerospike
• DynamoDB
• FoundationDB

5
JanusGraph Search and OLAP

• Optional search capabilities via
• Elasticsearch
• Apache Solr
• Apache Lucene
• Optional OLAP integration to Apache tools
• Hadoop
• Spark
• Giraph

6
JanusGraph Architecture
7
JanusGraph Visualisation

• A variety of visualisation tools supported
• Arcade Analytics
• Cytoscape
• Gephi plugin for Apache TinkerPop
• Graphexp
• Key Lines by Cambridge Intelligence
• Linkurious
• Tom Sawyer Perspectives

8
JanusGraph Data Model

• JanusGraph Data Layout

• Individual Edge Layout

9
Available Books

• See Big Data Made Easy
• Apress Jan 2015
• See Mastering Apache Spark
• Packt Oct 2015
• See Complete Guide to Open Source Big Data
  Stack
• Apress Jan 2018
• Find the author on Amazon
• www.amazon.com/Michael-Frampton/e/B00NIQDOOM/
• Connect on LinkedIn
• www.linkedin.com/in/mike-frampton-38563020

10
Connect

• Feel free to connect on LinkedIn
• www.linkedin.com/in/mike-frampton-38563020
• See my open source blog at
• open-source-systems.blogspot.com/
• I am always interested in
• New technology
• Opportunities
• Technology based issues
• Big data integration