Gae datastore

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Gae datastore

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

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