Speed is an important feature for APIs. Measuring performance is key, using tools like ruby-prof and rack-mini-profiler. The slowest parts should be profiled and improved, such as relying more on databases and caching with Redis. Libraries may need upgrading or replacing. Background processing can help. CDNs and infrastructure can further boost speed. Benchmarking shows which solutions work best.

2. Is your API really slow?

3. SAJID RABBANI
SENIOR SOFTWARE ENGINEER
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4. Speed up your API

5. Is speed is a feature?
Is lack of speed is a bug?

7. A request goes a long way

8. Where are your users?

9. Where are your users?

10. Where are your users?

11. Dynamic content acceleration

12. Speeding up your Ruby App
“Oh I know it. We have to cache it!”

13. Measure the performance
gem ‘ruby-prof’
gem ‘rack-mini-profiler’

16. Measure the performance
In Production environment
Pre-production stage

17. Measure the performance
Profile
Focus on the slowest part

18. Measure the performance
Benchmark
Compare alternative solutions

19. IMPROVE

20. Improve

21. Improve
Rely on your Database
Don’t deal with Database as a black box
Use the power of Database

22. Improve
Where is your cache?

23. Improve
Redis on a separate machine – fast
Redis on same machine – faster
Application memory - fastest

24. Improve
Upgrade the libraries

25. Improve
When needed – replace your libraries

26. Improve
Move processing to background

27. There’s more, way more

28. Speed up your API
Use CDN infrastructure
Profile & Benchmark
Focus on the slowest part

29. Thank You