The document details a presentation by IBM engineers David Pitera and Keith Lohnes on graph databases and related technologies like JanusGraph and TinkerPop. They discuss features of IBM's hosted database platform, including easy scaling, support, and automatic backups. The presentation also covers the components of property graphs, examples of Gremlin traversal, and the history of JanusGraph from its inception to its releases.

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Stretching Scylla Silly
The Datastore of a Graph Database in a
Containerized HA Hosted Cloud Service
Software Engineers, IBM
David Pitera & Keith Lohnes

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David Pitera
I’m a contributor to TinkerPop and JanusGraph, and I work on IBM
Graph and JanusGraph on Compose. I’ve been working on Graph
databases with IBM now for about 1.5 years.
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I'm a contributor to TinkerPop and JanusGraph, and I work on IBM
Graph and JanusGraph on Compose. I've been working on Graph
databases with IBM now for just 2 years and worked with them
previously as well.
Keith Lohnes

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IBM Compose

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IBM Compose
▪ Platform for hosted, open source
databases
▪ Enables easy/automatic scaling
horizontally and vertically
▪ 24/7 Support and Operations
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▪ Monitoring and Logging
▪ Automatic backups w/ ability to
restore
▪ Available on compose.com and IBM
Bluemix

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Graph Databases

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Graph Databases
▪ What is a Graph Database?
▪ Components of a property graph
▪ What is TinkerPop?
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TinkerPop
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Vertices
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Person

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Edges
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Person PersonKnows

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Properties
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Person Knows Personthrough: IBM

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VertexProperties
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Person Person
name: Keith
Lived_In:
[Brighton, Boston]
name: David
Lived_In: [NYC,
Boston]
Knows
through: IBM

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VertexProperties
Person Person
name: Keith
Lived_In: [{value:Brighton,
properties:
{from: 2010, to: 2014},
{value: Boston,
properties: {from: 2014}]
name: David
Lived_In: [NYC, Boston]
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Knows
through: IBM

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Gremlin
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Example Gremlin Traversal
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JanusGraph

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February 2012
Titan Graph Database started by Aurelius
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
April 2017
JanusGraph has first release
Soon
JanusGraph 0.2.0 release

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20 20
Composite and Vertex Centric Indexes Mixed Indexes

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Traversals Using Composite and
Vertex-Centric Indexes
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Person
Bought
Product
name: Keith timestamp: 1508176904949 Type: Paper Towels
g.V().has(“name”, “Keith”);
g.V().has(“name”, “Keith”).outE(“bought”).order().by(“timestamp”, incr).limit(20).inV();

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Scylla and JanusGraph

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JanusGraph Backend Data Model
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JanusGraph Backend Data Model
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THANK YOU
dpitera@us.ibm.com
krlohnes@us.ibm.com
@dpitera_
Please stay in touch
Any questions?