Jesper Richter-Reichhelm - Continuous Evolution at Wooga - code.talks 2015
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- Wooga takes a continuous evolution approach to game development, making iterative improvements through frequent releases and experiments. - They operate using an OODA loop model of quick cycles of observing user behavior, deciding on improvements, acting by implementing changes, and observing the results again. - Over time Wooga has evolved its technical stack and approaches, transitioning from stateless to stateful architectures and adopting new languages and technologies as needed to adapt to changing needs.
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Jesper Richter-Reichhelm - Continuous Evolution at Wooga - code.talks 2015
- 1. Continuous Evolution at Wooga Jesper Richter-Reichhelm @jrirei
- 8. Wooga team FE Dev BE Dev Art Product
- 9. “You build it, you run it. - Werner Vogels
- 10. BackendClient
- 11. Monster World
- 15. Monster World FE Dev BE Dev Art Product
- 16. DevOps (just 2 devs involved) Daily iterations (sometimes faster) Monster World Fixes Optimizations Bigger DBs More DBs
- 17. app lb Browser SQL sql appapp lb app appappapp appapp SQL sql SQL SQL sql sql SQL SQL sql sql SQL SQL sql sql SQL SQL sql sql SQL sql SQL sql SQL sql SQL sql SQL sql SQL sql lb
- 18. Stateless approach 1+ million users / day 10+ billion requests / month ~10 DB writes / request > 100,000 DB writes / second
- 20. Monster World
- 21. Monster World Happy Hospital
- 23. Added Redis (to MySQL) Migrating users (on demand) Monster World Tests worked fine (using their code) Live it worked badly (50K users corrupted) Fixed it quickly (and repaired the users)
- 24. SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app SQL EBS EBS EBS EBS lb lblblb
- 28. SQL SQL sql sql SQL SQL sql sql SQL SQL sql Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd Rd Rd rd rd app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app app appapp app app app app app app app app appapp app app SQL EBS EBS EBS EBS lb lblblb 38 single points of failure
- 30. Why did we survive?
- 31. Monster World
- 32. Boyd Cycle Col. John Boyd, USA Korea war: F-86 won 10:1 fight against MiG-15 Time competitive cycles of action Effects of faster decisions are cumulative!
- 34. OODA Independent teams (autonomous decisions) Experiments (ab tests) Agile approach (Scrum, Kanban etc.) Quick iterations (4h, 1d, 7d, 14d) OODA loop
- 35. Tech Evolution Spreading and mutating ideas
- 36. Wooga teams
- 37. Freedom
- 39. Magic Land
- 40. Server Database
- 41. Server Database One Game Session
- 42. Stateful approach 1+ million users / day 4 sessions / user / day 1 DB write / session ~50 DB writes / second
- 46. How does that work?
- 47. Reproduction
- 52. Mutation
- 53. Freedom
- 54. Having trust
- 55. Evolution
- 57. Tech Stack
- 59. Redis HH LAMP stateless BB BI Ruby MW MW 2 Ruby MW MW 2 2010
- 60. LAMP stateless BB BI Redis HH Ruby MW MW 2 2010
- 62. offline DD Erlang stateful ML 2011 Redis Ruby Riak Javascript ev. Ruby 1 doc LAMP stateless BB BI MW HH MW 2 PI PP MWM
- 63. 2012 Erlang Redis Ruby stateful Riak Javascript offline ev. Ruby 1 doc JRuby shared LAMP multiplay stateless BB BI MW HH MW 2 ML DD PI PP MWM PV GX FT KB BI 2
- 64. 2013 Erlang Redis Ruby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared LAMP generic multiplay stateless services BB BI MW HH MW 2 ML DD PI PP MWM PV SBS DYN GX FT KB BI 2 DIV MA
- 65. 2014 Erlang Redis Ruby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared LAMP generic multiplay stateless services BB BI MW HH MW 2 ML DD PI PP MWM PV SBS DYN GX FT KB BI 2 DIV MA …
- 66. Erlang Redis Ruby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared Go Elixir hybrid LAMP generic multiplay stateless services BB BI MW HH MW 2 ML DD PI PP MWM PV SBS DYN GX FT KB BI 2 DIV MA … … … … 2015
- 67. Erlang Redis Ruby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared Go Elixir hybrid LAMP generic multiplay stateless services2015 MySQLPHP
- 68. PHP MySQL Erlang RedisRuby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared Go Elixir hybrid generic multiplay stateless services Languages DBs State mngt. Misc.
- 69. PHP MySQL Erlang RedisRuby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared Go Elixir hybrid generic multiplay stateless services Languages DBs State mngt. Misc. Wooga’s toolbox
- 70. Switch to Mobile
- 71. PI MWM PV Switch to Mobile HTML5 BB BI MW HH MW 2 ML
- 72. DD PI PP MWM PV JS GX BI 2 DIV HTML5 Obj. C Apportable ext. Android BB BI MW HH MW 2 ML Switch to Mobile
- 73. DD PI PP MWM PV JS GX BI 2 DIV HTML5 Obj. C Apportable ext. Android SD / DYN … … … … … AAUnity BB BI MW HH MW 2 ML Switch to Mobile
- 74. Why do we do that?
- 75. Wooga benefits The ability to quickly adapt to change Survive disruptions and benefit from them Resiliency and robustness Long-term perspective vs. short-term goals To attract strong people We give transparency and trust, we want impact
- 77. Continuous Evolution The right approach for everyone?
- 78. OODA
- 79. Reinventing the wheel? Knowledge sharing is the key Transparency is mandatory Reusing code / SDKs services best practices
- 82. Erlang Redis Ruby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared Go Elixir hybrid LAMP generic multiplay stateless services BB BI MW HH MW 2 ML DD PI PP MWM PV SBS DYN GX FT KB BI 2 DIV MA … … … … SBS
- 83. Erlang Redis Ruby stateful Riak Javascript realtime offline ev. Ruby 1 doc JRuby Scala shared Go Elixir hybrid LAMP generic multiplay stateless services BB BI MW HH MW 2 ML DD PI PP MWM PV SBS DYN GX FT KB BI 2 DIV MA … … … … SBS
- 84. Flexibility Innovation Individual Impact Efficiency Planning Scale benefits Wooga Autonomy Centralisation
- 85. Autonomy Centralisation Flexibility Innovation Individual Impact Efficiency Planning Scale benefits Wooga What’s right for your company?