PyBerlin: Why you should be load testing

- Why load testing is important
- What makes a good load test
- Intro to Locust, a Python load testing framework

Transcript

1. Load Testing By Max Williams • Why it's important • What makes a good test • Locust
2. Hiiiiiiiiiiii Me: Max Williams Company: Delivery Hero
3. Context • ◦ ◦ ◦ ◦ • ◦ ◦ ◦ ◦ • ✅
4. Load testing: What is it? • • • • •
5. 5 • • • • • • Load testing: Why bother? Stability += 1
6. Start with a question BASIC NOT BAD NOT BAD NOT BAD NOT BAD
7. Limits, limits and limits • • •
8. Limits, limits, limits and yes MORE LIMITS • • • • •
9. 9 Load testing: If it's so great, why doesn't everyone do it? • • • •
10. Bottom line: it's hard • • •
12. BASIC Live traffic Load test traffic
13. How to measure realism: request status? or request type? Live traffic Load test traffic BASIC
14. How to measure realism: transactions Live traffic Load test traffic NOT BAD
15. Test boundaries
16. Testing with group of apps Load • Throughput • Response times • CPU/Memory • Container metrics • Throughput • Response times • CPU/Memory • Container metrics • Throughput • Response times • CPU/Memory • Container metrics • CPU/Memory • Transactions • Connections • and more • CPU/Memory • Transactions • Connections • and more TOO MANYMETRICS!!!!!!!
17. Testing in isolation service 1 mock service 2 mock Load • • •
18. How to measure results • • • • • •
19. How to write a load test • • • • • • • • • • • • • • • • • •
20. How to write a load test: tools BASIC • • • • • • • • BASIC
21. Tools • • • • ➡ ➡ ➡ ➡ cloud-based services also NOT BAD
22. Locust • • • • • • •
23. • • • A locustfile
24. Demo
25. What is the limit of your application and why is it there? THANKS, QUESTIONS, BYE