Why does Spotify use a microservices architecture? What are the benefits and challenges we've encountered? How does our organizational model support our architecture? Video of the talk is posted on YouTube: https://youtu.be/7LGPeBgNFuU

1. Microservices @
Spotify
Kevin Goldsmith
VP Engineering
@kevingoldsmith

2. Let’s say I wanted to
build a large application

3. Some requirements
‣ Mustscaletomillionsofusers
‣ Supportmultipleplatforms
‣ Handlecomplexbusinessrules
‣ Competitiveinafastmovingmarket
‣ ReactQuickly
‣ Out-innovate

4. A product like this

5. A product like this
‣ 75+MillionMonthlyActiveUsers
‣ 58Countries
‣ >20,000songsaddedperday
‣ >2Bplaylists
‣ Incrediblycomplexbusinessrules
‣ Lotsofcompetition

6. Howdoyousupport
theserequirements
whilemovingfast
andinnovating?

7. Solution
Autonomous full-stack teams

8. Autonomous
adjective
au·ton·o·mous - ȯ-ˈtä-nə-məs
(of a country or region) having the freedom to govern itself or control its own affairs.
"the federation included sixteen autonomous republics"
having the freedom to act independently.
"school governors are legally autonomous"
synonyms: self-governing, independent, sovereign, free, self-ruling, self-
determining, autarchic; self-sufficient
"an autonomous republic"

9. Autonomous
adjective
au·ton·o·mous - ȯ-ˈtä-nə-məs
(of a country or region) having the freedom to govern itself or control its own affairs.
"the federation included sixteen autonomous republics"
having the freedom to act independently.
"school governors are legally autonomous"
synonyms: self-governing, independent, sovereign, free, self-ruling, self-determining, autarchic;
self-sufficient
"an autonomous republic"

10. Server
Core Library
Platform Platform Platform Platform
Infrastructure

11. Challenges
Synchronization
Client UX implementation
Core Library Implementation
depends on
depends on
depends onServer Implementation
Infrastructure Implementation

12. Server
Core Library
Platform Platform Platform Platform
Infrastructure

13. platforms
Server
Core Library
Platform Platform Platform Platform
Infrastructure
FeatureTeam
FeatureTeam
FeatureTeam
FeatureTeam
FeatureTeam
FeatureTeam

14. What this looks like at Spotify
‣ 90+teams
‣ 600+Developers
‣ 5Developmentoffices
‣1Product

15. Full-stack autonomous
teams
Requires you to structure your
application in loosely coupled parts

16. Services

21. LoadBallancer

25. Microservices yay!
Easierto scale based on real-world bottlenecks

26. Microservices yay!
Easierto test

27. Microservices yay!
Easierto deploy

28. Microservices yay!
Easierto monitor

29. Microservices yay!
Can be versioned independently

31. Microservices yay!
Are less susceptible to large failures

33. Microservices boo!
are harderto monitor

34. Microservices boo!
need good documentation / discoverytools

36. Microservices boo!
create increased latency

39. What does this look like at Spotify?
‣ 810activeservices
‣ ~10Systemspersquad
‣ ~1.7Systemsperpersonwithaccessto
productionservers
‣ ~1.15Systemspermemberof
Technology

41. http://spotify.github.io/apollo/

43. Questions
twitter: @kevingoldsmith
(yes, we’re hiring)