Graph Adoption at Gamesys - Toby O'Rourke @ GraphConnect SF 2013
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Graph Adoption at Gamesys - Toby O'Rourke @ GraphConnect SF 2013
- 1. Neo4j @ Gamesys § Toby O’Rourke March 2013
- 2. Overview • About Gamesys • Our Use Case • Choosing a Store • Building the App • Deployment & Ops • Cypher & Reporting • Thinking in Graphs March 2013
- 3. About Gamesys • Major Cash & Social Gaming operator, primarily in UK & Europe • World’s first Cash gaming on Facebook • Social Games include Jackpotjoy Slots & Here Be Monsters • Bingo, Slots, Casino, Instants • Handle ~5bn wagers per annum • 200k unique cash players a month March 2013
- 4. Building an Internal Social Network • Online Bingo is a highly social game, there is chat alongside the game • Acquiring new players can be very expensive • Players acquired by referral are cheaper to acquire and higher value • We want to incentivise members to refer their friends • We wanted to learn about the social relationships between players March 2013
- 5. Building the App • Separating the persistence from the model is less important than when using RDBMS. • In fact, the power of graph traversals is part of the domain • Used Spring Data Neo4j[1] • Great Documentation • Loads of support from Michael Hunger • Found a few bugs • Had to drop back to straight up Neo4j APIs a couple of times [1] http://www.springsource.org/spring-data/neo4j March 2013
- 6. Deployment & Ops • Very stable, no unplanned outages since we’ve been live (~18 months) • Separate node as part of cluster, not serving live requests for ad-hoc querying & admin • Mutating Cypher is great for making on-the-fly tweaks March 2013
- 7. March 2013
- 8. Looking at our Graph March 2013
- 9. Aside: Our Referral Offer • Referee gets a cash bonus straight away • Constrained by a “play through” requirement • Referrer gets a cash bonus once the Referee has played a certain amount March 2013
- 10. Aside: 1, 2, Profit!!! • If I create multiple accounts I can collect loads of referral bonuses • I might get some decent wins playing through the bonus • In any case I should have most of my original stake available • Referral Bonuses – Referee Losses >= 0 in most cases • £££! March 2013
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- 12. March 2013
- 13. Modelling a Game Economy • Here Be Monsters (https://apps.facebook.com/herebemonsters/) • Complex economy, 1000’s items, monsters, locations and traps • Really difficult to understand the effect of changing (eg) the scarcity of any given item • Graph gives us a way to model that and calculate the value of things March 2013
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- 16. March 2013
- 17. Wrapping Up • Graphs are applicable to several gaming use cases • Social Networks • Fraud/Collusion Detection • Modeling • Neo4j being used as Production system and for Analytics • Stable in production March 2013
- 18. Find out more On Facebook facebook.com/gamesys on Twitter @officialgamesys @tobyorourke @burningmonk March 2013