Survivorship Fairy Tales or When 1% Matters

Transcript

1. Survivorship Fairy Tales or When 1% Matters Nikita Galkin
3. Question or feedback: ▰ https://goo.gl/slides/7q7sb7 ▰ Twit with #hlfwdays or @galk_in ▰ Facebook friendship ▰ Coffee and talk ▰ Beer and dance at after-party 3
4. 4 What is a Highload Project?
5. I started with the same question one year ago
6. 6 If your infrastructure cannot process incoming requests without degradation...
7. 7 when even 1% of requests is important to business...
8. Your Project needs Highload optimization methods only when Business needs this!
9. Elasticity
10. Episode I: Nomads
11. The startup that has not yet started earning money, but its founder has passed the incubator.
12. Money?
13. Cloud credits usage cycle
14. As long as possible avoid vendor-lock. Herh herh herh.
15. Episode II: Blockchain Hype
16. 3tps 15tps 65000 tps
17. Decentralized exchange built on smart contracts that lets you trade ERC20 tokens against Ethereum.
18. Hybrid blockchain application stores data at blockchain and database. Herh herh herh.
21. So, Where is the load?
22. Attack of the ShitCoders
23. Mistakes: ▰ Single process for REST and blockchain event processing ▰ Wrong data layer implementation ▻ string instead numbers ▻ without foreign keys usage ▰ Startup and shutdown flows aren’t designed ▰ There are not any code style ▰ No input data validation ▰ No DDoS protection 23
24. Make me correct orders list, even one traded order with market price will break the product.
25. Auto recovering should highload project have. Hmmmmmm.
26. Episode III: News
27. Canadian news portal with a long history for different topics. Main traffic goes from Google.
28. Important in content projects, page speed is.
29. Add indexes for new feature?
31. Episode IV: Development with pleasure?
32. Mobile game company with monetization "pay up or wait".
35. DevOps and QA Engineers arrived
36. Do you know our marketologist?
37. Expensive, acquiring new users is, so care about existing ones.
38. Episode V: Holy Cow
39. Ukrainian product company which sells software for developers. Long years ago founder wrote the metrics system, but...
41. Environment variable for production everywhere
42. Pollute your business analytics, do not. Yes, hmmm.
43. Episode VI: Be ready
44. Product company helps to understand your employees behavior.
46. Sometimes, you need to try new things
47. Never predict, we can, so try and measure
48. 48 Why is important to know elasticity for your Project?
49. Trust + Understanding = Influence
50. 50 May the Force be with you