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AWS Customer Presentation - Reddit.com

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Customer Presentation by Reddit.com at the AWS Cloud for the Enterprise Event in LA on October 15, 2009

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AWS Customer Presentation - Reddit.com

  1. 1. Jeremy Edberg Text Operations Manager reddit.com http://www.revolutioncloud.com
  2. 2. What is reddit? • reddit is an online community http://www.revolutioncloud.com
  3. 3. Conde Nast owns reddit http://www.revolutioncloud.com
  4. 4. Conde Nast websites http://www.revolutioncloud.com
  5. 5. Timeline April 2006 -- S3 for logos September 2007 -- S3 for thumbnails November 2008 -- EC2 for batch processing May 2009 -- EC2 for entire site http://www.revolutioncloud.com
  6. 6. What led us to AWS (part 1) • Needed an easy way to distribute and upload our logo http://www.revolutioncloud.com
  7. 7. http://www.revolutioncloud.com
  8. 8. What led us to AWS (part 2) • Thumbnails! http://www.revolutioncloud.com
  9. 9. What led us to AWS (part 3) • Didn’t want to rent another cabinet http://www.revolutioncloud.com
  10. 10. What led us to AWS (part 3) • Didn’t want to rent another cabinet • Didn’t want to buy more servers http://www.revolutioncloud.com
  11. 11. What led us to AWS (part 3) • Didn’t want to rent another cabinet • Didn’t want to buy more servers New Servers New Servers http://www.revolutioncloud.com
  12. 12. Imaging and Racking Servers Is A (Sometimes Fun) Chore http://www.revolutioncloud.com
  13. 13. EC2 for Overflow • Used openvpn to create a secure link to our datacenter for batch processing http://www.revolutioncloud.com
  14. 14. Moving to EC2 • Started by migrating all data http://www.revolutioncloud.com
  15. 15. Moving to EC2 • Started by migrating all data • Got a complete stack running on EC2 http://www.revolutioncloud.com
  16. 16. Moving to EC2 • Started by migrating all data • Got a complete stack running on EC2 • Long Saturday night finishing the migration and “forklifting” the last bits of data http://www.revolutioncloud.com
  17. 17. Architecture http://www.revolutioncloud.com
  18. 18. Stats • 190 Virtual CPUs • 338GB of RAM • 9TB of Elastic Block Storage • 2TB of S3 Storage • 6.5 TB of Data Out / mo • 2TB of Data In / mo • 150M+ Pageviews and just one sysadmin! http://www.revolutioncloud.com
  19. 19. Benefits Data Center (per month) EC2 (per month) Servers: $6K Servers: $13K Cabinet (x3): $15K Storage: $1.5K Bandwidth: $2.5K Bandwidth: $1.1K Support: N/A Support: $1.2K Total: $23.5K Total: $16.8K 29% Cheaper! Based on Amazon public pricing, reddit open source Estimated Pricing code, and public configuration information http://www.revolutioncloud.com
  20. 20. Benefits • Don’t have to procure servers anymore http://www.revolutioncloud.com
  21. 21. Benefits • Don’t have to procure servers anymore • No racking or imaging servers anymore http://www.revolutioncloud.com
  22. 22. Benefits • Don’t have to procure servers anymore • No racking or imaging servers anymore • Time to market is faster http://www.revolutioncloud.com
  23. 23. Benefits • Don’t have to procure servers anymore • No racking or imaging servers anymore • Time to market is faster • Multiple physical locations with AZs http://www.revolutioncloud.com
  24. 24. Benefits • Don’t have to procure servers anymore • No racking or imaging servers anymore • Time to market is faster • Multiple physical locations with AZs • Get “free” upgrades http://www.revolutioncloud.com
  25. 25. Benefits • Don’t have to procure servers anymore • No racking or imaging servers anymore • Time to market is faster • Multiple physical locations with AZs • Get “free” upgrades • Elasticity! http://www.revolutioncloud.com
  26. 26. Pain Points http://www.revolutioncloud.com
  27. 27. Pain Points http://www.revolutioncloud.com
  28. 28. Pain Points Higher Latency Workaround: Fewer network calls, ask for more data at a time. http://www.revolutioncloud.com
  29. 29. Pain Points EBS sometimes slows down a bit Workaround: Use caching and replication with read slaves to avoid relying on a single disk. http://www.revolutioncloud.com
  30. 30. Pain Points Instances go away sometimes Workaround: Avoid single points of failure and make sure your servers have automated configuration. http://www.revolutioncloud.com
  31. 31. Pain Points Fixing these issues made our app more reliable and highly available. We are better off than when we started. http://www.revolutioncloud.com
  32. 32. Best Practices • Keep data in multiple Availability Zones http://www.revolutioncloud.com
  33. 33. Best Practices • Keep data in multiple Availability Zones • EBS for all persistent data http://www.revolutioncloud.com
  34. 34. Best Practices • Keep data in multiple Availability Zones • EBS for all persistent data • Snapshots http://www.revolutioncloud.com
  35. 35. Best Practices • Keep data in multiple Availability Zones • EBS for all persistent data • Snapshots • No secret keys on the instance http://www.revolutioncloud.com
  36. 36. Best Practices • Keep data in multiple Availability Zones • EBS for all persistent data • Snapshots • No secret keys on the instance • Different functions in different Security Groups http://www.revolutioncloud.com
  37. 37. Best Practices • A full stack in each zone http://www.revolutioncloud.com
  38. 38. Best Practices • A full stack in each zone • All data stored as key-value pairs http://www.revolutioncloud.com
  39. 39. Best Practices • A full stack in each zone • All data stored as key-value pairs • More use of queues http://www.revolutioncloud.com
  40. 40. Conclusion • AWS saves us a lot of money http://www.revolutioncloud.com
  41. 41. Conclusion • AWS saves us a lot of money • AWS gives us a lot of flexibility http://www.revolutioncloud.com
  42. 42. Conclusion • AWS saves us a lot of money • AWS gives us a lot of flexibility • Moving to AWS has forced us to build better applications and follow better IT practices. http://www.revolutioncloud.com
  43. 43. Conclusion • AWS saves us a lot of money • AWS gives us a lot of flexibility • Moving to AWS has forced us to build better applications and follow better IT practices. • http://code.reddit.com http://www.revolutioncloud.com
  44. 44. Revolution: Cloud To learn more, visit http://www.revolutioncloud.com http://www.revolutioncloud.com

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