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Backend Challenge - Horizontal Scaling

Introduction

Implement horizontal scaling for distributed systems with multiple instances.

This challenge is tech-agnostic. Choose your preferred programming language, framework, database, ORM, container orchestration, and load balancing. For senior level, you can use any technologies and patterns.

Objectives

  • Set up distributed application instances
  • Implement load balancing and session management
  • Handle data consistency across instances

Instructions

  1. Environment Setup:

    • Programming language and web framework
    • Database and ORM
    • Container orchestration
    • Load balancer
    • Distributed cache
    • Service discovery

  2. Implementation Details:

    • Configure multiple application instances
    • Implement sticky sessions or stateless design
    • Set up distributed locking and coordination

  3. Testing:

    • Test load distribution and failover

Possible Improvements

  • Add auto-scaling
  • Implement distributed transactions
  • Set up global load balancing

Conclusion

By completing this challenge, you will master horizontal scaling.

Happy coding!