Skip to content

Home » Archives for December 2025

Month: December 2025

31-12-2025

Cơ Chế Hoạt Động Của Java HashMap – Buckets, Collisions, Và ConcurrentHashMap

19-12-2025

50 System Design Concepts for Beginners in 90 Minutes – 2026 Edition

17-12-2025

Text/JSON vs Binary trong Kafka

16-12-2025

Hiểu Rõ mTLS (Mutual TLS) – Nền Tảng Bảo Mật Cho Microservices & Zero-Trust Architecture

16-12-2025

System Design Principles Recap

16-12-2025

System Design Senior Level

16-12-2025

Designing A Distributed Task Queue (Celery / Sidekiq / SQS Worker / Kafka Worker)

16-12-2025

Designing A Distributed Locking System (Redis • Zookeeper • Redlock • DB-Based Locks)

16-12-2025

API Gateway & Service Mesh (Envoy / Istio / Linkerd)

16-12-2025

Load Balancer & Reverse Proxy (L4/L7, Consistent Hashing, Health Checks)

16-12-2025

Designing A Stream Processing System (Kafka Streams / Flink / Spark Streaming)

16-12-2025

Designing Distributed SQL Database (Google Spanner / Yugabyte / CockroachDB)

16-12-2025

Designing A MapReduce System (Hadoop / Spark)

16-12-2025

Designing A Distributed File Storage System (Dropbox / Google Drive / S3-like)

16-12-2025

Designing A Content Delivery Network (CDN) – Caching + Edge + Routing

16-12-2025

Distributed Rate Limiter (Token Bucket, Sliding Window, Clustered)

09-12-2025

Designing A Search System

09-12-2025

Designing A Real-Time Notification System (WebSocket / SSE / Push)

09-12-2025

SAGA Pattern vs Two-Phase Commit (2PC) In Distributed Transactions

09-12-2025

CQRS & Event Sourcing Architecture

05-12-2025

Cache Invalidation Strategies & Consistency Models

05-12-2025

Designing Idempotent Apis & Exactly-Once Semantics In Distributed Systems

05-12-2025

Eventual Consistency: Deep Dive & Real-World System Design Use Cases

05-12-2025

Sharding vs Partitioning

05-12-2025

SQL vs NoSQL Scalability Trade-offs in System Design

05-12-2025

Designing A Social News Feed System (Push vs Pull Architecture)

05-12-2025

Design A Flash Sale / Ticketing System (Prevent Overselling)

05-12-2025

Designing A Distributed Job Scheduler (Cron Cluster / Task Orchestrator)

05-12-2025

Designing A Payment & OTP Verification Gateway (Idempotency + Fraud Detection)

05-12-2025

Designing A Distributed Cache System (Redis / Memcached / Aerospace)

05-12-2025

Designing A Logging & Distributed Tracing Platform (ELK / Jaeger / Tempo / DataDog Style)

05-12-2025

Design A Rate Limiter For API gateway (Token bucket / Sliding Window / Redis Based)

05-12-2025

Designing A Push Notification System(Mobile/Web Push like Firebase/APNs)

05-12-2025

Designing A Messaging System (WhatsApp / Zalo / Messenger)

05-12-2025

Designing A Url Shortener (Bit.ly / TinyURL)

05-12-2025

30 câu hỏi phỏng vấn System Design dành cho Senior / Lead Engineer

04-12-2025

Vấn đề system design nên biết ở level Senior Software Engineer / Senior Backend / Tech Lead