Google App Engine/ Java Application Development
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OSC 2010 Hokkaido GAE/Java
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Google App Engine/ Java Application Development
- 1. Google App Engine /Java Java shuji_w6e
- 3. Java 2008 Java NEW http://groups.google.co.jp/group/java-sapporo
- 4. Equate?
- 6. slim3
- 7. Agenda Google App Engine / Java slim3 etupirkacms spin-up Datastore
- 8. Demo
- 10. GAE PaaS spin-up /spin-down BigTable / Key- Value Datastore
- 11. PaaS Platform as a Service Python Java 500 PV
- 12. Lifecycle Instance Request spin-up spin-down Instance Instance
- 13. spin-down
- 14. spin-up / spin-down App spin-down spin-down spin-up
- 15. Big Table RDB Key-Value store HashMap
- 16. GAE Eclipse + Plug-in + SDK +
- 17. slim3
- 18. slim3 GAE “Simple” and “Less Is More” Seasar2, SAStruts http://code.google.com/p/slim3/
- 19. Web App Framework Layer slim3 Default 1 Action Controller none = 1 Controller Model slim3 Datastore API JDO/JPA (Datastore) JSP View JSP + Helper API
- 20. JSP Controller slim3 JDO/JPA Datastore API Low level API AppEngine SDK
- 21. Faster than JDO/JPA Type safe query Fast spin-up Hot Reloading Global Transaction
- 22. Faster than JDO/JPA JDO/JPA API BigTable Low level API API SQL
- 23. Type safe query Eclipse API GQL
- 24. Fast spin-up GAE/Java ... 1100 1200ms GAE/Java + slim3 ... 1300 1400ms Low level API
- 25. Hot Reloading → → → → ....
- 26. Global Transaction BigTable slim3 Global Transaction RDB
- 27. Demo
- 29. EtupirkaCMS
- 30. EtupirkaCMS Contents Management System Blog, , , SEO Google App Engine http://code.google.com/p/etupirka/
- 31. spin-up 1,600ms - 1,900ms 1,800ms - 2,200ms
- 32. 10 GAE
- 33. Tips
- 34. spin-up
- 35. spin-up spin-up 2,000ms 3,000ms Class Loading/
- 36. spin-down
- 37. Class Loading
- 39. 1 >> >> >> >>
- 40. Datastore / >> >> TQ → 300ms -400ms
- 41. EtupirkaCMS Cache Request put get PageCaheFilter PageCache (id=path) get Action Template load/parse (id=templateNa me) Template File put Datastore
- 42. Action Controller slim3 URL spin-up ... ...
- 43. Scenic3 slim3 EtupirkaCMS T2 Framework Page APT slim3 Controller http://code.google.com/p/scenic3/
- 44. Page sample @Page("/entry") public class EntryPage extends ScenicPage { @Default public Navigation list() { // } @ActionPath(“register”) public Navigation register() { // } @ActionPath(“update/{id}”) public Navigation update( @ActionParam(“id”) Integer id) { // } }
- 45. Scenic3 ActionController_list EntryPage APT ActionController_register + list + register id=4 + update ActionController_update APT EntryPageMatcher Scenic3FrontController /update/4
- 46. PageClass HotReloading slim3 Controller PageTester
- 47. Datastore
- 48. join, like, sum
- 50. N:N Entry N N:N 1 RDB EntryTag BigTable join 1 N ... Tag
- 51. Entry Entry TagName Tag “GAE” “Java” “slim3” Entry Tag EntryId 1 2 3
- 52. Entry previous? Entry next? Entry ...
- 53. Linked List EntryLinkedList Entry 1:1 LinkedList BigTable Entry EntryListNode TaskQueue EntryListNode EntryListNode EntryListNode NextEntry NextEntry NextEntry PreviousEntry PreviousEntry PreviousEntry
- 54. ... GAE GAE AppEngine-ja-night Twitter