digg

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digg

  1. 2. What is digg?
  2. 3. The idea - Oct. 04 <ul><li>Slashdot - User created content </li></ul><ul><li>Del.icio.us - Bookmark / Share / Save </li></ul><ul><li>Friendster - Social hookups, large groups, no task </li></ul>
  3. 4. $2,000 to launch <ul><li>Developed a project spec - elance </li></ul><ul><li>Open source technologies - LAMP </li></ul><ul><li>Basic utilitarian design </li></ul><ul><li>$99 a mo. hosting </li></ul>
  4. 5. Feature Decisions <ul><li>Stay away from me too features </li></ul><ul><li>Simple and rewarding - one click (digg, bury, #1) </li></ul><ul><li>Used “ajax” where it made sense </li></ul><ul><li>Tools to connect to other sites (blog this, javascript widget) </li></ul><ul><li>Experiment - spy, “cloud view”, visualizations (stack, swarm) </li></ul>
  5. 6. The “digg effect”
  6. 7. Case Study: From Startup to Enterprise
  7. 8. One Server (Dec 2004-Mar 2005). <ul><li>Monitoring is “someone is working on the site most of the time.” </li></ul><ul><li>Standard LAMP architecture. </li></ul><ul><li>Growth -> optimizing queries -> denormalizing. </li></ul>
  8. 9. Growth <ul><li>Paris Hilton </li></ul><ul><li>Silverorange/Digg 2.0 </li></ul><ul><li>Word of mouth, minimal advertising </li></ul><ul><li>Steady growth with occasional insanity </li></ul>
  9. 10. Seed Funding. <ul><li>Small Number of Servers (May 2004-Sep 2004) - web server, mysql master, mysql slave. </li></ul><ul><li>Ad-hoc monitoring. </li></ul><ul><li>1 Dedicated operations person. </li></ul><ul><li>Silverorange (Digg gets a professional design). </li></ul><ul><li>Growth continues to outstrip hardware, though now more constrained by developer resources. </li></ul>
  10. 11. Series A. <ul><li>$100k on Servers. Spares! </li></ul><ul><li>Everyone in the same place </li></ul><ul><li>Operations Department (currently 4 people). </li></ul><ul><li>Hire senior developers. </li></ul>
  11. 12. Description of Digg Architecture <ul><li>LAMP + memcached. </li></ul><ul><li>Rough estimate of lines of code (historical trend). I.e. Digg 1.0 = 5k lines of code. Digg 2.0 = 50k. Digg 3.0 = 200k (will fill in actual numbers). </li></ul><ul><li>Diagram (something like timeless’s “shards” diagram). </li></ul>
  12. 13. Monitoring (Nagios/Cacti). A couple of screenshots - Cacti Graphs.
  13. 14. Development Process. Subversion, Bugzilla, Wiki. Trac.1 Developer --> 3 --> 7. Talk a little about managing that.
  14. 15. Office. Pictures? Moved in May 2006, already outgrowing.
  15. 16. Stats <ul><li>1M+ Registered users </li></ul><ul><li>10M+ Pages per day </li></ul><ul><li>1.2M+ Daily unique visitors </li></ul><ul><li>100+ Linux boxes (break this down) </li></ul>
  16. 17. New Features/Announcements
  17. 18. Future Plans <ul><li>Party!!! </li></ul>

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