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Os Lanphier Brashears
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Os Lanphier Brashears

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Os Lanphier Brashears Presentation Transcript

  • 1. Continual opening of Second Life Phoenix Linden (Aaron Brashears) Director, Studio DaBoom! Rob Linden (Rob Lanphier) Open Source Busybody Linden Lab 1
  • 2. What is Second Life 2
  • 3. It’s a Virtual World (not a game) ← World ← Game 3
  • 4. Collaborative Palette for Content Creation 4
  • 5. It’s Big 5
  • 6. It’s Big 5
  • 7. and Growing LindeX Concurrent GDP Land 100 million SQL queries per day ~50 terabytes of user-created data 10 gbits/second peak bandwidth 1 petabyte of total traffic/month 6
  • 8. and Growing LindeX Concurrent GDP Land 2003 2004 2005 100 million SQL queries per day 2006 2007 ~50 terabytes of user-created data 10 gbits/second peak bandwidth 1 petabyte of total traffic/month 6
  • 9. Ordinary People 7
  • 10. A Lot! 8
  • 11. A Lot! • 8,300,000 registered accounts • 500,000 active residents • 800,000 distinct items exchanged • 26 million p2p transactions • US$40 million GDP • US$7 million exchanged/month 8
  • 12. Even More • 669,921 hours use/day • 20% of time spent creating • Millions of LOC/week • 76 user-years per day • 117,236 person content team • US$11.7 billion/year 9
  • 13. Even More • 669,921 hours use/day • 20% of time spent creating • Millions of LOC/week • 76 user-years per day • 117,236 person content team • US$11.7 billion/year 9
  • 14. • Anshe Chung - Land Developer 10
  • 15. All just geeks? 11
  • 16. All just geeks? • Nearly gender balanced usage, Median age of 34 11
  • 17. All just geeks? • Nearly gender balanced usage, Median age of 34 • More use the older you are & at any age by women 11
  • 18. All just geeks? • Nearly gender balanced usage, Median age of 34 • More use the older you are & at any age by women • 65% international (and growing) 11
  • 19. Open Source • Released viewer source code January, 2007 • Thousands of source downloads, with many mirrors • 514 subscribers to open source mailing list • 135 patches accepted from 47 outside contributors 12
  • 20. Open the server? 13
  • 21. Current Architecture 14
  • 22. Simple Plan 15
  • 23. …and Global Data 16
  • 24. …and Permanence 17
  • 25. …and Communications 18
  • 26. …and again 19
  • 27. …until we get 20
  • 28. Some Hot Spots • C++ • Message Template • Group IMs 21
  • 29. Some Bad Ideas • C++ CGI/Apache • Global Identifier 22
  • 30. Some Scale Issues • Message Routing • Neighbor Management • Miscellaneous Cruft 23
  • 31. Some Band-Aids • Interface to Databases • Various other glue logic 24
  • 32. 25