Gae datastore
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  • 1. GAE: DataStore charsyam@naver.com
  • 2. 고도의 확장성을 가지는데이터 위주의 APP개발의 어려움
  • 3. Problem 1. Scalability 2. Security 3. Replication 4. maintenance
  • 4. Problem 1. Scalability 2. Security 3. Replication 4. maintenance
  • 5. Problem 1. Scalability 2. Security 3. Replication 4. maintenance
  • 6. Problem 1. Scalability 2. Security 3. Replication 4. maintenance
  • 7. Google App Engine 1. Distribution 2. Replication 3. Load Balancing 4. BigTable+GFS
  • 8. Google App Engine 1. Distribution 2. Replication 3. Load Balancing 4. BigTable+GFS
  • 9. Google App Engine 1. Distribution 2. Replication 3. Load Balancing 4. BigTable+GFS
  • 10. Google App Engine 1. Distribution 2. Replication 3. Load Balancing 4. BigTable+GFS
  • 11. Entity N >= 0 Attribute 1 Identifier
  • 12. Attribute Value Internal Class Child Object Complex Type
  • 13. Main Key Field Type Long String without Encoding Key String with Encoding
  • 14. Key 가 중복되면데이터는OverWrite 된다.
  • 15. Creating jdoconfig.xml
  • 16. Setting the Read Policy andDatastore Call Deadline
  • 17. Gettinga PersisitenceManager Instance
  • 18. Query In JDO
  • 19. Thank You!