Monolithic code bases are not only difficult to maintain, they slow your development teams. As your application grows, the tight coupling of code and teams can bring progress to a halt. In this session, Datadog shares tips for uncoupling your teams and breaking large code bases into microservices. This presentation is brought to you by AWS partner, Datadog.

1. Roman Sheydvasser
Solutions Operations Lead
Datadog
Breaking Down Monoliths
DEM08-S

2. Your Story

4. @coderoman
Solutions Ops Lead
“Automate All The Things”

5. @datadoghq
SaaS-based monitoring
250+ integrations
Trillions of data points per day
https://datadoghq.com

6. What do you mean by “Microservices”?

7. You might be a Microservice if...
● Abstracted
● Reusable
● Autonomous
● Stateless
● Discoverable
● Composable

8. You might be a Microservice if...
● Abstracted
● Reusable
● Autonomous
● Stateless
● Discoverable
● Composable

9. You might be a Microservice if...
● Abstracted
● Reusable
● Autonomous
● Stateless
● Discoverable
● Composable

10. You might be a Microservice if...
● Abstracted
● Reusable
● Autonomous
● Stateless
● Discoverable
● Composable

11. You might be a Microservice if...
● Abstracted
● Reusable
● Autonomous
● Stateless
● Discoverable
● Composable

12. You might be a Microservice if...
● Abstracted
● Reusable
● Autonomous
● Stateless
● Discoverable
● Composable

13. There is no real definition

14. Why Microservices?

15. Why…?
● Loose Coupling
● Greater Agility
● Faster to Market
● Better
Scalability
● Better Fault
Tolerance
● Platform &
Language
Agnostic
● Cloud-Ready

16. Why…?
● Loose Coupling
● Greater Agility
● Faster to Market
● Better
Scalability
● Better Fault
Tolerance
● Platform &
Language
Agnostic
● Cloud-Ready

17. Why…?
● Loose Coupling
● Greater Agility
● Faster to Market
● Better
Scalability
● Better Fault
Tolerance
● Platform &
Language
Agnostic
● Cloud-Ready

18. Why…?
● Loose Coupling
● Greater Agility
● Faster to Market
● Better
Scalability
● Better Fault
Tolerance
● Platform &
Language
Agnostic
● Cloud-Ready

19. Why…?
● Loose Coupling
● Greater Agility
● Faster to Market
● Better
Scalability
● Better Fault
Tolerance
● Platform &
Language
Agnostic
● Cloud-Ready

20. Why…?
● Loose Coupling
● Greater Agility
● Faster to Market
● Better
Scalability
● Better Fault
Tolerance
● Platform &
Language
Agnostic
● Cloud-Ready

21. Why…?
● Loose Coupling
● Greater Agility
● Faster to Market
● Better
Scalability
● Better Fault
Tolerance
● Platform &
Language
Agnostic
● Cloud-Ready

22. How to go about breaking apart code?

23. Identify Products

25. The Sandi Metz Rule

26. Preparing to Split

27. Preparing to Split
● Identify Current
Interactions
● Write Tests and
Monitors
● The Service’s
Contract (API +
SLA)
● Ensure Tests
and Monitors
Match App

28. Preparing to Split
● Identify Current
Interactions
● Write Tests and
Monitors
● The Service’s
Contract (API +
SLA)
● Ensure Tests
and Monitors
Match App

29. Preparing to Split
● Identify Current
Interactions
● Write Tests and
Monitors
● The Service’s
Contract (API +
SLA)
● Ensure Tests
and Monitors
Match App

30. Preparing to Split
● Identify Current
Interactions
● Write Tests and
Monitors
● The Service’s
Contract (API +
SLA)
● Ensure Tests
and Monitors
Match App

31. Breaking Off Chunks

32. Breaking Off Chunks
● Start with
Peripheral
Services
● Minimize
Dependencies
on Monolith
● Don’t be afraid
of Macro
Services
● Prioritize for
team velocity

33. Breaking Off Chunks
● Start with
Peripheral
Services
● Minimize
Dependencies
on Monolith
● Don’t be afraid
of Macro
Services
● Prioritize for
team velocity

34. Breaking Off Chunks
● Start with
Peripheral
Services
● Minimize
Dependencies
on Monolith
● Don’t be afraid
of Macro
Services
● Prioritize for
team velocity

35. Breaking Off Chunks
● Start with
Peripheral
Services
● Minimize
Dependencies
on Monolith
● Don’t be afraid
of Macro
Services
● Prioritize for
team velocity

36. Moving to Product-
Oriented Teams

37. Project vs Product,
and Funding Models

38. Charter the Product Team

39. Breaking Down Monoliths:
Conclusion
Roman Sheydvasser
Solutions Operations Lead
Datadog
DEM08-S