![©2017 IBM Corporation 24 August 201710
Gremlin-Python (GLV)
§ Directly incorporated and tested by Apache TinkerPop
§ Implements core pieces found in Gremlin-Java
– Graph Traversal
– Graph Traversal Source
– __
§ Install via pip package manager
§ Gremlin-Python sugar
– g.V().both()[1:3].toList()
– g.V().both().name.toList()
§ Bindings
– g.V(('id',4)).out('created').name.toList()
http://tinkerpop.apache.org/docs/current/reference/#gremlin-python](https://image.slidesharecdn.com/janusgraphjupyter-170824175039/85/JanusGraph-Jupyter-Meetup-NYC-10-320.jpg)
JanusGraph, Jupyter Meetup NYC
- 1. JanusGraph Project status and what's next August 22, 2017
- 2. ©2017 IBM Corporation 24 August 20172 Graph Database § 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.
- 3. ©2017 IBM Corporation 24 August 20173 Project History § February 2012 – Titan graph database started § February 2015 – Aurelius acquired by DataStax § September 2015 – Titan 1.0 released § January 2017 – JanusGraph established at the Linux Foundation – With partners from Expero, Google, GRAKN.AI, Hortonworks, and IBM
- 4. ©2017 IBM Corporation 24 August 20174 Releases § JanusGraph 0.1.0 – April 20, 2017 – Version uplifts § TinkerPop 3.2.3 + Spark 1.6.1 § HBase 1.2.4 § BerkeleyJE 7.3.7 (now Apache licensed!) § Google Cloud BigTable 0.9.5.1 (new!) – Do not use for Titan 1.0 migration § JanusGraph 0.1.1 – May 16, 2017 – Critical Titan migration bug fixes – Titan users should migrate directly from Titan to JanusGraph 0.1.1
- 5. ©2017 IBM Corporation 24 August 20175 Next Release § JanusGraph 0.2.0 – soon August/September 2017 – Version uplifts § TinkerPop 3.3.0 + Spark 2.2.0 (Scala 2.11) § Cassandra 2.1.18 + 3.0.14 § Elasticsearch 5.4.2 § Lucene 6.6.0, Solr 6.6.0 – CQL Storage Adapter § Improved performance with CQL native transport (Paul Kendall, Samant Maharaj) § Thrift will be removed in Cassandra 4.0 § OLAP support on Cassandra 3.0 (Kedar Mhaswade) – Indexing improvements § Replaced Elasticsearch node client with REST client (sjudeng) § Support all geometries features in Elasticsearch and Solr (David Clement)
- 6. ©2017 IBM Corporation 24 August 20176 Growing Community § New Committers – sjudeng – Robert Dale – Paul Kendall – Samant Maharaj § Corporate CLA Signers – Amazon – Netflix – Orchestral Developments – Seeq – Uber
- 7. ©2017 IBM Corporation 24 August 20177 Users in Production
- 8. ©2017 IBM Corporation 24 August 20178 Opportunities § On-boarding experiences – Migration from Titan – Getting started via documentation § Product usage documentation – What advantages does property graphs provide in your domain – How did you choose JanusGraph § Tooling – Schema design – Indexing performance – Bulk loading – Visualization
- 9. ©2017 IBM Corporation 24 August 20179 Programming Language Popularity TIOBE Index PYPL Popularity RedMonk Rankings
- 10. ©2017 IBM Corporation 24 August 201710 Gremlin-Python (GLV) § Directly incorporated and tested by Apache TinkerPop § Implements core pieces found in Gremlin-Java – Graph Traversal – Graph Traversal Source – __ § Install via pip package manager § Gremlin-Python sugar – g.V().both()[1:3].toList() – g.V().both().name.toList() § Bindings – g.V(('id',4)).out('created').name.toList() http://tinkerpop.apache.org/docs/current/reference/#gremlin-python
- 11. ©2017 IBM Corporation 24 August 201711 ipython-gremlin: Gremlin Magic ipython-gremlin: David Michael Brown @davebshow Line Magic CellMagic
- 12. ©2017 IBM Corporation 24 August 201712 ipython-gremlin: Python integrations ipython-gremlin: David Michael Brown @davebshow pandas, matplotlib NetworkX
- 13. ©2017 IBM Corporation 24 August 201713
- 14. ©2017 IBM Corporation 24 August 201714
- 15. ©2017 IBM Corporation 24 August 201715 Flying into the cloud § Graphs are most useful when they are large § Operating distributed clusters – Security – Availability – Scalability § Sharing is caring
- 16. ©2017 IBM Corporation 24 August 201716 Python Application Architecture (Local) Graph DatabaseClients Web browser Data notebook Gremlin Bytecode Gremlin Bytecode HTTP HTTP ipython-gremlin Gremlin-Python Application Server
- 17. ©2017 IBM Corporation 24 August 201717 Python Application Architecture (IBM Cloud) Graph Database Application Server Clients Web browser Data notebook Gremlin Bytecode Gremlin Bytecode HTTP HTTP ipython-gremlin Gremlin-Python
- 18. ©2017 IBM Corporation 24 August 201718 https://www.compose.com/janusgraph