Google App Engine Portland, Oregon September 17 2009

1. Google App Engine
Sean Sullivan
SAO cloud computing event
September 17, 2009

2. Run your web apps
on Google’s infrastructure

3. source: nytimes.com (June 8 2006)

4. Google datacenter
The Dalles, Oregon

5. Infrastructure as a Service
Platform as a Service
Software as a Service

6. http://code.google.com/appengine/

7. Pricing and quotas
• free to start
• pay as you go
• billable resources
• quotas

8. Billable resources
• Requests • XMPP
• Datastore • Image manipulation
• Mail • Memcache
• URL Fetch • Deployments

9. source: google.com

11. April 2008

12. April 2009

13. • Memcache • Data Store
• URL Fetch • Google Accounts
• Mail • Task Queue
• Images • XMPP

14. on
• Google provides JVM and servlet container
• Java 6 JRE
• Servlet 2.5 API
• whitelisted classes

15. on
Other JVM languages:

16. +

17. +
source: infoq.com

18. App Engine Java API’s
• com.google.appengine.api.memcache
• com.google.appengine.api.urlfetch
• com.google.appengine.api.users
• com.google.appengine.api.xmpp

19. App Engine Java API’s
• com.google.appengine.api.images
• com.google.appengine.api.labs.taskqueue
• com.google.appengine.api.mail
• com.google.appengine.api.datastore

20. Datastore programming
Supported: Not supported:
• JPA • JDBC
• JDO • SQL
• Google datastore API

21. App Engine limitations
• HTTP and HTTPS
• HTTP requests limited to 30 seconds
• no server push
• no long-running background processes
• no threads

25. App Engine dashboard

26. App Engine dashboard

27. Demo

30. Telephony in the cloud
http://www.twilio.com

31. Telephony in the cloud
+
http://code.google.com/p/twilio-java-client

32. Questions?

33. Thank you