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What is Google App Engine

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What is Google App Engine

  1. 1. What is Google App Engine? CloudPlay - April 29th, Sunnyvale Ca Chris Schalk Developer Advocate http://twitter.com/cschalk
  2. 2. What is cloud computing?
  3. 3. Cloud Computing Landscape SaaS APaaS IaaS Source: Gartner AADI Summit Dec 2009
  4. 4. IaaS value proposition…
  5. 5. APaaS value proposition…
  6. 6. APaaS value proposition…
  7. 7. Google App Engine Easy to build Easy to maintain Easy to scale
  8. 8. By the numbers By the Numbers
  9. 9. By the numbers 250,000+ Developers
  10. 10. By the numbers 100,000+ Apps
  11. 11. By the numbers 250M+ daily Pageviews
  12. 12. In a word… via Wordle Word source: http://en.wikipedia.org/wiki/App_Engine
  13. 13. Some App Engine Partners
  14. 14. Socialwok
  15. 15. Social networking at scale >62M Users
  16. 16. gigy Socialize
  17. 17. gigy Socialize Flexible Scalability "Although we typically host all our services in-house, on our own infrastructure, we felt that GAE would be a better fit for the live chat feature because of its unique traffic pattern, which is characterized by very low traffic most of the time with very high bursts during high profile events." Raviv Pavel, Gigya VP of Research and Development http://googleappengine.blogspot.com/2010/02/scalability-means-flexibility.html#links
  18. 18. App Engine @
  19. 19. Why App Engine?
  20. 20. Managing Everything is Hard
  21. 21. DIY Hosting means hidden costs Idle capacity Software patches & upgrades License fees Lots of maintenance Traffic & utilization forecasting Upgrades
  22. 22. Cloud development in a box SDK & “The Cloud” Hardware Networking Operating system Application runtime Java, Python Static file serving Services Fault tolerance Load balancing
  23. 23. App Engine Details
  24. 24. Specialized Services Memcache Datastore URL Fetch Mail XMPP Task Queue Images Blobstore User Service
  25. 25. Language runtimes Duke, the Java mascot Copyright © Sun Microsystems Inc., all rights reserved.
  26. 26. Ensuring Portability
  27. 27. Extended Language support through JVM Java Scala JRuby (Ruby) Groovy Quercus (PHP) Rhino (JavaScript) Duke, the Java mascot Copyright © Sun Microsystems Inc., all rights reserved. Jython (Python)
  28. 28. Always free to get started -~5M pageviews/month 6.5 CPU hrs/day 1 GB storage 650K URL Fetch calls/day 2,000 recipients emailed 1 GB/day bandwidth 100,000 tasks enqueued 650K XMPP messages/day
  29. 29. Application Platform Management
  30. 30. App Engine Dashboard
  31. 31. App Engine Health History
  32. 32. 20+ months in review Apr 2008 Python launch May 2008 Memcache, Images API Jul 2008 Logs export Aug 2008 Batch write/delete Oct 2008 HTTPS support Dec 2008 Status dashboard, quota details Feb 2009 Billing, larger files Apr 2009 Java launch, DB import, cron support, SDC May 2009 Key-only queries Jun 2009 Task queues Aug 2009 Kindless queries Sep 2009 XMPP Oct 2009 Incoming Email Dec 2009 Blobstore Feb 2010 Datastore cursors
  33. 33. Happy Birthday App Engine! Two years old as of Wed April 7th! Vibrant community of over 250k developers Over 250 million pageviews http://googleappengine.blogspot.com/2010/04/happy-birthday.html
  34. 34. Development Tools for App Engine
  35. 35. Google App Engine Launcher
  36. 36. SDK Console
  37. 37. Google Plugin for Eclipse
  38. 38. AppStats Win a T-shirt Upload before/after screenshots and link them on Twitter before May 2nd @app_engine #coolappstats
  39. 39. Demo time!
  40. 40. Wall demo App An adaption of the "Guest Book" Tutorial Application Uses: Datastore for comments/blobs Blobstore for initial image upload Image api for thumbnail creation XMPP - for chatbot access Also uses Maps API for geo features Post a comment at: http://cloudexpowall.appspot.com
  41. 41. Wall demo App Architecture
  42. 42. More Info on App Engine: http://code.google.com/appengine http://googleappengine.blogspot.com/ http://gae-java-persistence.blogspot.com/ http://bit.ly/gcodelabs
  43. 43. Q&A Contact info: Chris Schalk Developer Advocate http://twitter.com/cschalk