Multi tenancy with PostgreSQL

2. Multi-tenancy with PostgreSQL

3. Requirements

10. Three ways bit.ly/msn-multitenant-arch

11. Shared Database, Shared Namespace

12. Separate Databases

13. Shared Database, Separate Namespace

14. has schemas

15. has namespaces

16. Guy Naor on Multi-tenancy http://bit.ly/guy-naor-multitenant-2009

17. App

19. carding.app.com/products/1-grapes

20. SET SEARCH_PATH = 'carding'

21. 'carding' SELECT * FROM products where id = 1;

22. Common Tables

23. "public"

24. 'carding' SELECT * FROM public.invoices where tenant_id = 1;

25. Apartment github.com/bradrobertson/apartment

28. bob.sql carding alice.sql

29. carding

30. carding assimo

31. assimo

32. Storey github.com/ramontayag/storey

33. Gotchas

34. Problem: Testing ● transactions do not play well with schemas

35. Answer: Testing ● in tests, treat the public schema as a tenant

36. Problem: Migrations ● migrate every schema

37. Answer: Apartment/Storey ● loops through the namespaces and migrates each one

38. Problem: Background Jobs ● how do the workers know which schema contains the data?

39. Answer: Pass schema name ● Pass the schema name along with the rest of the job arguments

40. Questions?

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