LLD Hub - System Design Learning Platform

System Design Mastery

Fundamentals

What is System Design?Functional vs Non-functional Core Performance Metrics Request Lifecycle The Scaling Mindset

Database Fundamentals Database Indexing Read vs Write Patterns Caching Strategies Cache Eviction Object Storage & CDN Database Isolation Levels Choosing the Right Database

Load BalancersPopular LB Algorithms Health Checks & Failover Rate Limiting Throttling & Load Shedding

Message Queues Producer-Consumer Pattern Consumer Groups Retry Strategies Event-Driven Architecture Stream Processing

Vertical vs Horizontal Database Replication Sharding & Partitioning Stateless Services Session Management Auto-scaling High Availability

Monolith vs Microservices API Gateway Service Discovery Circuit Breaker

Consistency Models CAP Theorem Idempotency

Logging Best Practices Distributed Tracing

REST, GraphQL, gRPC WebSockets & SSE Networking Basics

Practice Problems

Your Progress12%

7 of 55+ topics completed