Presented at the Linked Data Benchmark Council (LDBC) Technical User Group (TUG) Meeting on June 8, 2018. http://www.ldbcouncil.org/blog/11th-tuc-meeting-university-texas-austin

1. Graph Computing
with JanusGraph
Jason Plurad
Open Source Developer & Advocate
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

2. JanusGraph
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation 2
JanusGraph™
Maintainer The Linux
Foundation
License Apache
Releases 0.3.0 planned
2Q 2018
https://janusgraph.org
• Established in January 2017
• Scalable graph database distributed
on multi-machine clusters with
pluggable storage and indexing
• Vendor-neutral, open community with
open governance
• Founders: Expero, Google, Grakn,
Hortonworks, IBM

3. JanusGraph Community
3
• Contributors
• 49 total
• Committers
• 14 initial, 6 added
• Technical Steering Committee
• 6 initial, 2 added
• Issues
• 287 open, 352 closed
• Open source projects
• Apache Atlas
• Open Network Automation Platform (ONAP)
• Member companies
• Amazon
• Huawei
• Linkurious
• Netflix
• Newforma
• Orchestral Developments
• Uber
• In production
• Celum
• Finc
• G-Data
• IBM Cloud
• Times Internet
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

4. Apache TinkerPop
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation 4
Apache TinkerPop™
Maintainer The Apache
Software
Foundation
License Apache
Releases 3.3.3
May 2018
https://tinkerpop.apache.org
• Established in 2009
• Apache incubator in 2015
• Top-level project in 2016
• Open source, vendor-agnostic, graph
computing framework
• Gremlin graph traversal language

5. Graph System Integration
5LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation
https://tinkerpop.apache.org/docs/current/tutorials/getting-started/

6. Graph Provider Landscape
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• Vendor
• Neo4j
• OrientDB
• Stardog
• DataStax DSE Graph
• Azure Cosmos DB
• Amazon Neptune
• Open Source
• Apache S2Graph
• Blazegraph
• HGraphDB
• JanusGraph
• TinkerGraph
• UniPop
• Open Source (OLAP)
• Apache Giraph
• Apache Spark
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

7. Graph Data Use Cases
7
Social network analysis
Configuration management database
Master data management
Recommendation engines
Knowledge graphs
Internet of things
Cyber security attack analysis
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation
C
A
B
D

8. JanusGraph
Architecture
8LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

9. JanusGraph Architecture
9
http://docs.janusgraph.org/latest/arch-overview.html
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

10. Pluggable Storage Backends
10LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation
Apache
Cassandra
Apache
HBase
ScyllaDB
Instagram
Rocksandra
YugaByte DB
Google Cloud
Bigtable
Oracle
BerkleyDB
Tupl
Couchbase
ForestDB
Amazon
DynamoDB
Apple
FoundationDB

11. Storage Format
11LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation
https://docs.janusgraph.org/latest/data-model.html

12. Indexes
12
• Composite index
• Exact match search
• Vertex-centric index
• Local index per vertex
• Mixed index
• Full text search
• Numerical range search
• Geospatial search
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

13. OLAP with Graph Computer
and Vertex Programs
13LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation
• Input formats: Cassandra, HBase
• Execution engines: Spark, Giraph
• Vertex programs
• Traversal
• Bulk loader
• Bulk dumper
• Page rank
• Peer pressure

14. Open Collaboration
Towards JanusGraph
1.0
14LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

15. Towards JanusGraph 1.0
15
• Benchmarking storage backends
• Bulk loading, serialization formats
• Query profiling and traversal optimization
• Gremlin language variant support
• Platform support (Windows)
• Server clustering support
• Administration console
• Operations tooling and monitoring
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

16. 16
Thank you
janusgraph.org
tinkerpop.apache.org
compose.com/databases/janusgraph
github.com/IBM/janusgraph-utils
developer.ibm.com/code/patterns
twitter.com/pluradj
Build on IBM Cloud
for free with
no time restrictions
https://ibm.biz/BdZ6ci
LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation

17. 17LDBC 11th Technical User Community (TUC) Meeting / University of Texas at Austin / June 8, 2018 / © 2018 IBM Corporation