Express.js
/Beginner
Load Balancing
Definition
When a single server cannot handle the incoming traffic, you deploy your Express app to multiple separate servers. A Load Balancer (like Nginx, AWS ALB, or HAProxy) sits in front of them and routes incoming client requests to the least busy server.
Explain Like I'm New
When a single server cannot handle the incoming traffic, you deploy your Express app to multiple separate servers.
Architecture & Flow
Interview Questions
basic
- What is the primary purpose of Load Balancing in Express.js?
- How do you initialize Load Balancing?
intermediate
- How does Load Balancing integrate with other middleware components?
- Can you explain a common use case for Load Balancing?
advanced
- What are the performance implications of Load Balancing in a high-traffic production application?
- How would you debug issues related to Load Balancing?
trick
- Is it possible to achieve the same result as Load Balancing without using Express?