Interview Q&A / System Design
System Design interview questions
Caching, scaling, databases and classic design problems for beginners.
Prefer rapid revision? Practise System Design short interview answers →
- What are sticky sessions and why do many teams avoid them?
Sticky sessions make the load balancer send a user to the same server every time, usually via a cookie. They avoid shared session storage but cause uneven load and lose the session if that server dies.
BeginnerQuick answer1 min read