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Cloud Architecture

Focuses on cloud‑native and distributed architecture engineering, sharing practical solutions and lessons learned. Covers microservice governance, Kubernetes, observability, and stability engineering to help your systems run stable, fast, and cost‑effectively.

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Latest from Cloud Architecture

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Cloud Architecture

Jun 26, 2026 · Databases

PostgreSQL Backup & Replication Guide: WAL Basics to Production‑Ready HA, DR, and Recovery

This comprehensive guide walks through PostgreSQL's backup and replication architecture, explaining WAL fundamentals, the distinction between backup, high‑availability, disaster‑recovery and CDC, and provides step‑by‑step configurations, performance trade‑offs, monitoring queries, Kubernetes deployment tips, and practical recovery‑drill procedures for production environments.

BackupHAPITR

0 likes · 40 min read

PostgreSQL Backup & Replication Guide: WAL Basics to Production‑Ready HA, DR, and Recovery

Cloud Architecture

Jun 26, 2026 · Information Security

OAuth 2.0 at Billion-Scale: Unified Auth Center Architecture & Pitfall Guide

This article details how to design a unified authentication center that can handle billions of OAuth 2.0 requests, covering layered architecture, token issuance and revocation, refresh‑token rotation, gateway validation, key management, and practical pitfalls to ensure secure, high‑performance identity traffic in production.

High ScaleOAuth 2.0Refresh Token Rotation

0 likes · 46 min read

OAuth 2.0 at Billion-Scale: Unified Auth Center Architecture & Pitfall Guide

Cloud Architecture

Jun 25, 2026 · Backend Development

SpringBoot + WeChat Pay V3: Architecture for Million-Concurrent Payments

The article explains how to build a production‑grade, million‑concurrent payment pipeline with SpringBoot and WeChat Pay V3, covering the new security model, state‑machine design, idempotent handling, decoupled architecture, compensation mechanisms, and operational best practices such as connection‑pool tuning, observability, and fault‑tolerant deployment.

CompensationHigh ConcurrencyPayment Architecture

0 likes · 56 min read

SpringBoot + WeChat Pay V3: Architecture for Million-Concurrent Payments

Cloud Architecture

Jun 25, 2026 · Backend Development

Four Production‑Grade Defenses Against Redis Cache Penetration in High‑Concurrency Microservices

The article explains how non‑existent data amplified by high concurrency can cause cache penetration, distinguishes it from cache breakdown and avalanche, and presents a layered defense—entry validation, Bloom filter existence checks, negative caching, and concurrent‑request convergence—plus practical code, metrics, and operational checklists for robust microservice deployments.

Bloom FilterCache PenetrationDistributed Lock

0 likes · 28 min read

Four Production‑Grade Defenses Against Redis Cache Penetration in High‑Concurrency Microservices

Cloud Architecture

Jun 24, 2026 · Backend Development

Four Levels of Concurrency Control: Optimistic Locks to Message Queues for Million‑QPS

High‑concurrency systems must go beyond simple locking; the article breaks down four progressive strategies—optimistic locking, database pessimistic locking, Redis distributed locks, and finally message‑queue serialization—explaining their trade‑offs, implementation details, pitfalls, and how to combine them into a layered architecture that sustains million‑QPS workloads with consistency, throughput, and recoverability.

Concurrency Controldistributed systemshigh QPS

0 likes · 32 min read

Four Levels of Concurrency Control: Optimistic Locks to Message Queues for Million‑QPS

Cloud Architecture

Jun 24, 2026 · Backend Development

Spring Boot Alipay Integration: A Production-Ready Solution for High Concurrency and Financial Consistency

This article explains how to build a production‑grade Alipay payment subsystem with Spring Boot that goes beyond simple API calls, covering asynchronous flow, idempotent notification handling, state‑machine design, outbox event delivery, high‑concurrency safeguards, and end‑to‑end reconciliation.

AlipayIdempotencyPayment Integration

0 likes · 32 min read

Spring Boot Alipay Integration: A Production-Ready Solution for High Concurrency and Financial Consistency

Cloud Architecture

Jun 23, 2026 · Databases

Why Redis Handles Millions of Concurrent Requests: Event Loop and Cluster Design

Redis sustains millions of concurrent operations not merely because it is single‑threaded, but thanks to its non‑blocking event‑loop I/O, compact in‑memory data structures, serialized command execution that eliminates lock contention, and robust production features such as replication, sharding, persistence, observability and governance.

ClusterEvent LoopHigh Concurrency

0 likes · 40 min read

Why Redis Handles Millions of Concurrent Requests: Event Loop and Cluster Design

Cloud Architecture

Jun 22, 2026 · Backend Development

Dubbo vs Spring Cloud: Deep Dive for Billion‑Scale Microservice Architecture

The article examines how to choose between Dubbo and Spring Cloud for high‑traffic microservice systems, analyzing communication models, thread and connection handling, governance capabilities, real‑world e‑commerce scenarios, and provides practical guidance on combining HTTP gateways, RPC, and asynchronous messaging for scalable, resilient architectures.

DubboHigh ConcurrencyKubernetes

0 likes · 32 min read

Dubbo vs Spring Cloud: Deep Dive for Billion‑Scale Microservice Architecture

Cloud Architecture

Jun 22, 2026 · Databases

Opening the Hood of PostgreSQL WAL: From Transaction Logs to Production‑Grade HA, Replication, and Performance Tuning

This article dissects PostgreSQL's Write‑Ahead Logging (WAL), explaining how it underpins transaction durability, replication, CDC, point‑in‑time recovery, and commit latency, and provides a step‑by‑step guide to architecture design, parameter tuning, troubleshooting, containerization, backup strategies, and operational checklists for production‑grade deployments.

BackupHigh AvailabilityPerformance Tuning

0 likes · 37 min read

Opening the Hood of PostgreSQL WAL: From Transaction Logs to Production‑Grade HA, Replication, and Performance Tuning

Cloud Architecture

Jun 21, 2026 · Backend Development

How to Build a Production‑Ready AI Service with Spring 7.0 and Spring AI for High‑Concurrency Microservices

This article explains how to integrate large language models into enterprise Java microservices using Spring 7.0 and Spring AI, covering architectural layers, design principles, code structure, resilience, observability, and a step‑by‑step production checklist to turn AI capabilities into a maintainable, high‑throughput service.

AIBackendJava

0 likes · 38 min read

How to Build a Production‑Ready AI Service with Spring 7.0 and Spring AI for High‑Concurrency Microservices