Java Collector API - java.util.stream.Collectors - toList toSet counting joining groupingBy toMap

System Design 45 Low Level Design LLD Diagrams Component Class Sequence Data Flow Reduced bugs UML

System Design 44 High Level Design HLD System architecture Component Interface constraints Draw.io

System Design 43 Denormalization Improve read performance High-traffic systems Real-time analytics

System Design 42 Horizontal scaling scaling out Load Balancer Node Cluster Auto-scaling Improved cap

System Design 41 Partitioning Horizontal Sharding Vertical Range Hash List Partitioning Vs Sharding

System Design 39 API Design Endpoint API Key Authentication REST gRPC SOAP Webhook WebSocket OpenAPI

System Design 38 CQRS Command Query Responsibility Segregation High-Performance & Real-time System

System Design 37 Event Sourcing Events Event Store Aggregate Event Stream Characteristics Immutable

System Design 36 Caching Cache Hit Miss Eviction Invalidation, Caching Strategies, Eviction Policies

System Design 35 CDN Content Delivery Network Amazon CloudFront Microsoft Azure CDN Google Cloud CDN

System Design 34 Edge Computing Reduced latency Improved performance Real-time processing Proximity

System Design 33 Low Latency NFR Caching Content delivery network CDN load balancing Monitor Analyze

System Design 32 Data Security Encryption HTTPS SFTP AES SSL TLS IAM Keycloak AWS Google OAuth Okta

System Design 31 Application Security Web Mobile Desktop Cloud OWASP NIST Cybersecurity XSS CSRF

System Design 30 Network Security Malware Phishing DoS MitM Firewalls VPN Network segmentation IDPS

System Design 28 API Gateway API Management Microservices Architecture API Gateway Vs Load Balancer

System Design 27 Serverless Architecture AWS Lambda Google Cloud Functions Microsoft Azure Functions

System Design 26 Event-Driven Architecture (EDA) - Events, Producers, Consumers, Handlers, Channels

System Design 25 Microservices Architecture (MSA) - Load Balancer, API Gateway, Decentralized Data

System Design 24 Service-Oriented Architecture (SOA) WSDL SOAP Service Provider Consumer Registry

System Design 23 System Architecture and Its Types, Monolithic can be Single-Codebase or Modular

System Design 22 Latency End-to-end Round-trip One-way Network Server Database Best Practice UseCase

System Design 21 CAP Theorem Consistency Availability Partition tolerance Distributed Cloud storage

System Design 20 Consistency - Techniques, Strong Consistency Weak Consistency, Eventual Consistency