Backend team lead & architect with 10+ years experience, full‑stack engineer, sharing insights and solo development practice.
This comprehensive guide explains MySQL indexing fundamentals, B+Tree advantages, index classifications, optimal creation strategies, and how to use EXPLAIN to diagnose and fine‑tune queries for maximum performance while avoiding common pitfalls.
This article explains why a plain Dockerfile for a Spring Boot fat JAR is inefficient, introduces Spring Boot's layered JAR format, and provides a multi‑stage Dockerfile that leverages layer caching to speed up builds and reduce runtime overhead.
This guide walks through creating a Spring Boot 3.3.3 microservice permission framework with OAuth2, covering technology stack, core features, project structure, step‑by‑step service startup, token acquisition, API calls, and provides the complete source repository for hands‑on experimentation.
This guide explains how to use GitHub Actions to automatically mirror Docker images from public registries to an Alibaba Cloud private registry, providing step‑by‑step configuration of the cloud namespace, GitHub secrets, and the action workflow to keep images accessible within China.
Using JDK 21’s standardized Virtual Threads, this guide explains how to design and implement robust asynchronous batch processing, covering common pitfalls like CPU spikes and OOM, best‑practice concurrency controls, task queue architecture, and practical code illustrations.
Drawing from the book “Huawei Data Way”, this article explains why Huawei must digitize, describes the resulting data‑island problem, and outlines the four‑part framework of data governance—including data asset catalogs, standards, models, and distribution—while showing how business‑object‑centric information architecture is built and implemented.
This guide shows how to implement end‑to‑end trace ID propagation across Spring Cloud gateways, downstream services, and asynchronous threads using a custom GlobalTraceFilter, a patched LogbackMDCAdapter with Alibaba TransmittableThreadLocal, and minimal configuration, avoiding heavyweight tracing libraries.
This article shares the author's experience of redesigning a microservice using Domain‑Driven Design, detailing a standardized layered architecture, directory structure, model conversions, common pitfalls, and practical recommendations to improve code clarity and testing efficiency.
Facing tight schedules and diverse coding habits, many Chinese projects struggle with API latency; this guide walks through requirement analysis, acceptance standards, common pitfalls, and a comprehensive set of optimization tactics—from configuration and code tweaks to caching, async processing, and observability tools—to dramatically improve API performance.
This article outlines a comprehensive conceptual model for an order‑to‑payment settlement module, detailing core financial scenarios, key design considerations, ERP integration points, and practical guidelines for handling applications, postings, write‑offs, and invoicing within complex enterprise systems.
