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Developing a Real Time Ad-Server on Heroku


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  • 1. Developing a Real Time Ad-Server on Heroku The evolution of an application that today serves 8.5 million requests a week to airline passengers. Abhinav Keswani & Bry Ashman, Trineo Ltd @trineoltd
  • 2. Safe Harbor Safe harbor statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements that involve risks, uncertainties, and assumptions. If any such uncertainties materialize or if any of the assumptions proves incorrect, the results of, inc. could differ materially from the results expressed or implied by the forward- looking statements we make. All statements other than statements of historical fact could be deemed forward-looking, including any projections of product or service availability, subscriber growth, earnings, revenues, or other financial items and any statements regarding strategies or plans of management for future operations, statements of belief, any statements concerning new, planned, or upgraded services or technology developments and customer contracts or use of our services. The risks and uncertainties referred to above include – but are not limited to – risks associated with developing and delivering new functionality for our service, new products and services, our new business model, our past operating losses, possible fluctuations in our operating results and rate of growth, interruptions or delays in our Web hosting, breach of our security measures, the outcome of intellectual property and other litigation, risks associated with possible mergers and acquisitions, the immature market in which we operate, our relatively limited operating history, our ability to expand, retain, and motivate our employees and manage our growth, new releases of our service and successful customer deployment, our limited history reselling products, and utilization and selling to larger enterprise customers. Further information on potential factors that could affect the financial results of, inc. is included in our annual report on Form 10-Q for the most recent fiscal quarter ended July 31, 2012. This documents and others containing important disclosures are available on the SEC Filings section of the Investor Information section of our Web site. Any unreleased services or features referenced in this or other presentations, press releases or public statements are not currently available and may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based upon features that are currently available., inc. assumes no obligation and does not intend to update these forward-looking statements.
  • 3. Abhinav KeswaniDirector // Principal, Bespoke Solutions@wasabhi
  • 4. Bry AshmanLead Developer, Bespoke Solutions@yrb
  • 5. SpotU
  • 6. SpotU Architecture
  • 7. Why Heroku?
  • 8. Diversifying Redundancy Automation Disaster Recovery Scale Replication OSTuning DIY? Load Balancing Database Monitoring Networking
  • 9. BACKUPS?!!?
  • 10. Heroku Add-Ons // ModularityNew Relic, Sendgrid, RedisToGo, Postgres, BlitzIO, Scheduler, Memcache, Papertrail.
  • 11. CampaignRedirector Redis Postgres Manager
  • 12. Backing Services (
  • 13. Data StoresRedis // Postgres
  • 14. Redisin memory key:value store high speed atomic ops ultimate ‘scratchpad’
  • 15. Heroku Redis Add-On RedisToGo Fast to provision Options for growth
  • 16. Redis Used by resqueUsed for campaign map Ad cache
  • 17. PostgresRelational Database of choice
  • 18. Heroku Postgres Provisioning Backups Follow/Fork Data Clips
  • 19. Content S3Cloudfront
  • 20. S3 The only option forstoring files in the cloud?
  • 21. Cloudfront
  • 22. Nifty Extras: Blitz
  • 23. BlitzLay siege to your app.
  • 24. Operational Management New Relic Papertrail
  • 25. New RelicKnow what’s going on when your app is under siege
  • 26. PapertrailLogs: streaming, searchable and actionable events.
  • 27. Production TraitsArchitectural Evolution
  • 28. Redis
  • 29. Messaging // AMQP
  • 30. Response Cache // Memcache
  • 31. Data Architecture
  • 32. MemcacheRedirector Redis Campaign Postgres Manager Analytics Logging RabbitMQ ...
  • 33. Latency // Multi Region
  • 34. Perspective 1 million requests100ms latency/request ~ 28 hours in transit
  • 35. MemcacheRedirector Redis Campaign Postgres Manager Analytics Logging RabbitMQ ...
  • 36. Abhinav Keswani Bry AshmanChief Context Switcher, Chief Worrier, @wasabhi @yrb