Key Problems of Microservice Architecture

Transcript

1. Key Problems of Microservice Architecture http://goo.gl/urZ5W0
2. Key Problems of Microservice Architecture
3. Service Implementation API Formally contracted Discoverable Composable Stateless Loosely coupled Autonomous Micro Configuration Discoverable Autonomous Networking Principals Problems Reusable
5. Netflix OSS Stack
6. Micro
8. Netflix Internal Web Service Framework
9. Challenge Domain Challenge Service get(challengeUuid): Challenge create(Challenge): UUID search(query): UUID[] index(Challenge) Navigation Service get(userUuid): User create(User): UUID User Service
10. Showcase
11. Configuration
12. Navigation Service Configuration Manager pull pull push CP Navigation Service Challenge Service Challenge Service
13. @Value('${navigation.api.limit.default:10}') int defaultLimit; //... if (limit == null) { limit = defaultLimit; } final DynamicIntProperty defaultLimit = DynamicPropertyFactory.getInstance() .getIntProperty('navigation.api.limit.default', 10) //... if (limit == null) { limit = defaultLimit.get(); }
14. volatile int defaultLimit; { final DynamicIntProperty dynamicDefaultLimit = DynamicPropertyFactory.getInstance() .getIntProperty('navigation.api.limit.default', 10, new Runnable() { @Override void run() { defaultLimit = dynamicDefaultLimit.get(); } }); this.defaultLimit = dynamicDefaultLimit.get(); } //... if (limit == null) { limit = defaultLimit; }
15. Showcase
16. Discovery
17. Navigation Service User Service API Remote Service Client Cache Discovery Service Client HTTP Client User Service API User Service API User Service API index()
18. Navigation Service User Service API Remote Service Client Cache Discovery Service Client HTTP Client User Service API User Service API User Service API index() retry
19. Navigation Service User Service API Remote Service Client Cache Discovery Service Client HTTP Client User Service API User Service API User Service API index() retry AP
20. Showcase
21. Autonomous
24. Command Challenge Service Metrics UpdateIndexCommand run() getFallback() API Navigation Service API create()
25. Challenge Service Metrics UpdateIndexCommand run() getFallback() API Navigation Service API create() Circuit Breaker
26. Challenge Service Metrics UpdateIndexCommand run() getFallback() API Navigation Service API create() Circuit Breaker
27. Showcase
28. Network Latency
29. Network is Fast… Read 1 KiB sequentially from memory 250 ns Read 1 KiB sequentially from SSD 1,000 ns Send 1 KiB over 1 Gbps network 10,000 ns Read 1 KiB sequentially from disk 20,000 ns Read 1 KiB randomly from SSD 1GB/sec 37,500 ns Round trip within same datacenter 500,000 ns Disk seek 10,000,000 ns Send packet CA > Netherlands > CA 150,000,000 ns Average amazon.com page open time 3,260,000,000 ns Services calls involved to build single page amazon.com 100-150
30. … but not Fast Enough Challenge Service UpdateIndexCommand API Navigation Service API create() Notification Service API User Service API NotifyUserCommand get() User GetUserCommand User Cache
31. … still not Fast Enough Challenge Service API create() Notification Service API NotifyUserCommand Notification Service API Notification Service API Load Balancer
32. … still not Fast Enough Challenge Service API create() Notification Service API NotifyUserCommand Notification Service API Notification Service API Service Discovery
33. Showcase
34. Q&A @AnatolSokolenko galak/microservice-showcase
35. The End