System Design & Scaling
System Design & Scaling
Build robust, scalable systems that handle millions of users and massive data loads
What You’ll Master
🏗️ Distributed Systems Architecture
Design systems that scale beyond single machines
- Microservices Architecture - Service decomposition, API design, and inter-service communication
- Event-Driven Architecture - Event sourcing, CQRS, and building reactive systems
- Service Mesh - Istio, Envoy, and managing service-to-service communication
- API Gateway Patterns - Request routing, rate limiting, and API composition
- Distributed Data Management - Data consistency, replication, and partitioning strategies
📈 Scalability Patterns
Proven approaches to handle explosive growth
- Horizontal vs Vertical Scaling - When and how to scale out vs scale up
- Load Balancing - Application load balancers, DNS-based routing, and traffic distribution
- Caching Strategies - Multi-level caching, cache invalidation, and distributed caching
- Database Scaling - Read replicas, sharding, and multi-master setups
- Auto-scaling - Dynamic resource allocation and predictive scaling
🔄 Performance Optimization
Squeeze maximum performance from your systems
- Latency Optimization - Reducing response times across the stack
- Throughput Maximization - Handling more requests with existing resources
- Memory Management - Efficient memory usage and garbage collection tuning
- Network Optimization - CDNs, connection pooling, and protocol optimization
- Database Performance - Query optimization, indexing strategies, and connection management
🛡️ Reliability & Fault Tolerance
Build systems that stay up when components fail
- Circuit Breaker Pattern - Preventing cascading failures and managing dependencies
- Retry Mechanisms - Exponential backoff, jitter, and intelligent retry strategies
- Bulkhead Pattern - Isolating resources and limiting blast radius
- Health Checks - Monitoring system health and automated failover
- Disaster Recovery - Backup strategies, RTO/RPO planning, and multi-region deployments
🔍 Monitoring & Observability
Gain deep insights into system behavior
- Metrics & KPIs - Defining and tracking key system metrics
- Logging Strategies - Structured logging, log aggregation, and centralized logging
- Distributed Tracing - Request flow tracking across microservices
- Alerting Systems - Intelligent alerting, on-call management, and escalation policies
- Performance Monitoring - APM tools, synthetic monitoring, and real user monitoring
💾 Data Architecture
Design data systems that scale with your business
- Database Selection - SQL vs NoSQL, NewSQL, and choosing the right database
- Data Modeling - Relational, document, graph, and time-series data models
- Data Pipeline Architecture - ETL/ELT processes, stream processing, and batch processing
- Data Consistency - ACID properties, eventual consistency, and consistency patterns
- Big Data Systems - Hadoop ecosystem, Spark, and modern data lakes
☁️ Cloud-Native Architecture
Leverage cloud services for maximum efficiency
- Containerization - Docker, Kubernetes, and container orchestration
- Serverless Architecture - Functions-as-a-Service, serverless patterns, and cost optimization
- Cloud Service Integration - AWS/GCP/Azure services and multi-cloud strategies
- Infrastructure as Code - Terraform, CloudFormation, and automated provisioning
- DevOps Integration - CI/CD pipelines, GitOps, and automated deployments
Recent Articles
Coming Soon
Comprehensive system design content is in development. Stay tuned!
Architecture Tradeoffs
🔀 Common Tradeoffs You’ll Navigate
Consistency vs Availability
- CAP theorem implications in distributed systems
- When to choose strong vs eventual consistency
- Partition tolerance strategies and fallback mechanisms
Latency vs Throughput
- Optimizing for response time vs request volume
- Batching strategies and their impact on user experience
- Real-time vs near-real-time processing decisions
Cost vs Performance
- Right-sizing resources for optimal cost-performance ratio
- Reserved vs on-demand resource allocation
- Performance monitoring ROI and optimization priorities
Complexity vs Maintainability
- When microservices add more complexity than value
- Balancing feature velocity with technical debt
- Team structure impact on architecture decisions
Scaling Scenarios
🚀 Real-World Scaling Challenges
Startup to Scale-up (1K → 100K users)
- Database optimization and connection pooling
- Implementing caching layers effectively
- Load balancer setup and SSL termination
- Basic monitoring and alerting systems
Scale-up to Enterprise (100K → 1M+ users)
- Microservices decomposition strategies
- Database sharding and read replica setup
- CDN implementation and asset optimization
- Advanced monitoring and distributed tracing
Global Scale (1M+ → 100M+ users)
- Multi-region deployment strategies
- Data localization and compliance requirements
- Advanced caching and edge computing
- Chaos engineering and reliability practices
Tools & Technologies
Infrastructure & Deployment
- Kubernetes - Container orchestration and service management
- Docker - Containerization and application packaging
- Terraform - Infrastructure as code and resource management
- Helm - Kubernetes application deployment and management
Monitoring & Observability
- Prometheus - Metrics collection and monitoring
- Grafana - Visualization and dashboards
- Jaeger - Distributed tracing and request flow analysis
- ELK Stack - Log aggregation, search, and analysis
Databases & Storage
- PostgreSQL - Relational database with advanced features
- Redis - In-memory caching and data structures
- Apache Kafka - Event streaming and message queuing
- Elasticsearch - Search and analytics engine
Cloud Platforms
- AWS - Comprehensive cloud services and infrastructure
- Google Cloud - Modern cloud platform with strong AI/ML services
- Azure - Enterprise-focused cloud platform
- DigitalOcean - Simple and cost-effective cloud infrastructure
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