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System Design: Building Scalable Distributed Systems
Design large-scale systems. Load balancing, caching, database sharding, and scalability patterns.
Seena Singh 18 min readFebruary 8, 2025
System Design Fundamentals
Design systems that scale to millions of users.
Key Concepts
Scalability
- Horizontal vs vertical
- Stateless services
- Database scaling
Load Balancing
- Round robin
- Least connections
- Health checks
Caching
- CDN
- Application cache
- Database cache
Database
- Replication
- Sharding
- Partitioning
Common Patterns
- Read replicas
- Write-ahead logging
- Message queues
- Circuit breakers
Design Process
- Clarify requirements
- Estimate scale
- Design high-level
- Deep dive components
- Address bottlenecks
Conclusion
System design skills are essential for building reliable, scalable systems.
System DesignScalabilityArchitecture
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