Greg Young - Polyglot Data

Transcript

1. Polyglot Data Greg Young
2. Focus on strategic design first.
4. Purchase Order Line Items (n) Shipping Information
5. Cart Created 3 Items Added Shipping Informatio n Added
7. Cart Created 3 Items Added 1Item Removed Shipping Informati on Added
9. Focus on strategic design first.
10. There is no “best” storage.
11. Focus on strategic design first.
12. A single data model is almost never appropriate. 3+ is common!
13. Focus on strategic design first.
14. Focus on strategic design first. Id ParentId Data 1 0 Parent 2 1 Child1 3 1 Child2
15. Focus on strategic design first. Id ParentId0 ParentId1 ParentId2 ParentId3 ParentId4 Data 1 0 0 0 0 0 Parent 2 1 0 0 0 0 Child1 3 1 2 0 0 0 Child2
16. Focus on strategic design first. RelationId PersonId PersonId Relation 1 1 0 Parent 2 2 1 Caregiver 3 3 1 Caregiver PersonId Name Type 1 Joe Person 2 Foo llp Company 3 Tom Person
17. Wrong models cause massive accidental complexity
23. Storing Events is a good loss less transactional model Append-Only, Immutable
24. Reads/Writes is one form of separation
28. Time is another form of separation
29. Client Domain Bus OLAP GraphDb StreamProcessing publish 3nf Hibernate
30. Client Domain Bus OLAP GraphDb StreamProcessing publish 3nf Hibernate
31. Client Domain Bus OLAP GraphDb StreamProcessing publish 3nf Hibernate New Model?
32. Client Domain Bus OLAP GraphDb StreamProcessing publish 3nf Hibernate New Model? ?????
33. Client Domain OLAP GraphDb StreamProcessing Events
34. Client Domain OLAP GraphDb StreamProcessing Events New Model
35. Client Domain OLAP GraphDb StreamProcessing Events OLAP OLAP
36. Wrong models cause massive accidental complexity
38. A queue with infinite history allows new models to easily be brought online and to synchronize
39. Storing Events is a good loss less transactional model Append-Only #FTW
40. Reads/Writes is one form of separation
41. There is no “best” storage.
42. Focus on strategic design first.