Load Testing · Junior · Question 44 of 75
What is horizontal scaling?
- 1Adding more instances of a service behind a load balancer
- 2Moving the service to one bigger machine with more CPU
- 3Splitting one large request into several smaller ones
Show the answer
Correct answer: Adding more instances of a service behind a load balancer
Explanation
Horizontal scaling adds machines. Vertical scaling makes one machine bigger. Horizontal scaling needs stateless services or shared state.