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Top Architect

Top Architect focuses on sharing practical architecture knowledge, covering enterprise, system, website, large‑scale distributed, and high‑availability architectures, plus architecture adjustments using internet technologies. We welcome idea‑driven, sharing‑oriented architects to exchange and learn together.

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Recent Articles

Latest from Top Architect

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Top Architect
Top Architect
Jan 8, 2026 · Backend Development

Why MyBatis‑Plus Migration Fails: LocalDateTime Conversion and Connector Version Issues

A legacy project using MySQL 5.7, MyBatis 3.5.0 and mysql‑connector‑java 5.1.26 encounters a "Conversion not supported for type java.time.LocalDateTime" error after switching to MyBatis‑Plus 3.1.1, which is traced to MyBatis 3.5.1 dropping built‑in LocalDateTime handling and the old connector not supporting the type, requiring an upgrade to mysql‑connector‑java 5.1.37 or later.

JDBC driverLocalDateTimeMyBatis
0 likes · 9 min read
Why MyBatis‑Plus Migration Fails: LocalDateTime Conversion and Connector Version Issues
Top Architect
Top Architect
Jan 7, 2026 · Backend Development

Customize Spring Boot Startup Banner with ASCII Art and ANSI Colors

This guide shows how to replace Spring Boot's default console banner by creating a custom banner.txt with ASCII graphics, using built‑in placeholders for version, port, profile and date, adding ANSI color codes, and optionally disabling the default banner to print a fully customized startup message from Java code.

ANSI ColorASCII artBanner
0 likes · 9 min read
Customize Spring Boot Startup Banner with ASCII Art and ANSI Colors
Top Architect
Top Architect
Jan 6, 2026 · Backend Development

Spring Boot vs Quarkus: Performance Test, Migration Guide, and When to Choose Each

An in‑depth comparison of Spring Boot and Quarkus evaluates startup time, build speed, binary size, CPU, memory, and response latency using reactive APIs and native images, then outlines migration steps, Spring API compatibility, and practical benefits for developers moving Java microservices to Kubernetes‑native environments.

JavaKubernetesQuarkus
0 likes · 16 min read
Spring Boot vs Quarkus: Performance Test, Migration Guide, and When to Choose Each
Top Architect
Top Architect
Jan 5, 2026 · Backend Development

How to Undo a Pushed Git Commit: Revert, Reset, and Branch Strategies

When a mistaken commit has already been pushed, this guide explains four practical ways to roll back the changes—manual comparison, git revert, creating a new branch, and resetting the current branch—detailing each method's steps, risks, and when to use them.

BranchVersion Controlgit
0 likes · 9 min read
How to Undo a Pushed Git Commit: Revert, Reset, and Branch Strategies
Top Architect
Top Architect
Jan 5, 2026 · Backend Development

Reverting Mistaken Commits Locally and Remotely with IntelliJ IDEA

This guide explains how to revert mistakenly pushed code by either manually comparing and deleting unwanted changes or using IntelliJ IDEA's Git reset options (soft, mixed, hard, keep) followed by a force push, ensuring both local and remote repositories return to a specific commit.

Force Pushgitintellij-idea
0 likes · 6 min read
Reverting Mistaken Commits Locally and Remotely with IntelliJ IDEA
Top Architect
Top Architect
Jan 3, 2026 · Databases

How to Safely Add a Column to a Billion‑Row Order Table Without Downtime

When a core order table with tens of millions of rows needs a new business field, executing a plain ALTER TABLE can lock the table and disrupt services, so the article explores master‑slave switching, online schema‑change tools, extension tables, JSON fields, and a clever reuse of an existing redundant column to achieve the change with minimal risk.

DDLJSONMaster‑Slave
0 likes · 9 min read
How to Safely Add a Column to a Billion‑Row Order Table Without Downtime
Top Architect
Top Architect
Jan 2, 2026 · Backend Development

Mastering Apollo Config Center: Dynamic Spring Boot Configuration from Basics to Kubernetes Deployment

This comprehensive guide walks you through the fundamentals, architecture, and key features of Ctrip's Apollo configuration center, then shows step‑by‑step how to create a Spring Boot client, manage environments, clusters, and namespaces, and finally package and deploy the application on Kubernetes with live configuration updates.

ApolloConfiguration ManagementKubernetes
0 likes · 27 min read
Mastering Apollo Config Center: Dynamic Spring Boot Configuration from Basics to Kubernetes Deployment
Top Architect
Top Architect
Jan 2, 2026 · Databases

Boost MySQL Performance: Master Pagination, Indexes, JOINs, and Query Rewrite Techniques

This article walks through common MySQL performance pitfalls such as inefficient pagination, implicit type conversion, costly UPDATE/DELETE subqueries, mixed sorting, and EXISTS clauses, and demonstrates practical rewrites—including index usage, JOIN conversion, condition push‑down, early LIMIT, and WITH‑clauses—to transform slow queries into millisecond‑level executions.

JoinMySQLQuery Rewrite
0 likes · 13 min read
Boost MySQL Performance: Master Pagination, Indexes, JOINs, and Query Rewrite Techniques
Top Architect
Top Architect
Jan 1, 2026 · Backend Development

Why Overusing If‑Else Breaks Your Backend and How a Flow Engine Fixes It

The article explains how excessive if‑else branching in business‑centered back‑ends leads to tangled, hard‑to‑maintain code, and demonstrates how a flow‑engine combined with plugin extensions can isolate business logic, improve extensibility, and simplify testing, using the open‑source MemberClub project as a concrete example.

Backend ArchitectureSpringBootflow engine
0 likes · 9 min read
Why Overusing If‑Else Breaks Your Backend and How a Flow Engine Fixes It
Top Architect
Top Architect
Jan 1, 2026 · Backend Development

Spring Boot 4.0 & Spring Framework 7: Deep Dive into New Features and Migration Guide

Spring Boot 4.0 and Spring Framework 7 introduce a comprehensive overhaul—including Jakarta EE 11, JDK 25, JSpecify null‑safety, Project Leyden AOT, declarative HTTP clients, Jackson 3, native API versioning, built‑in resilience, OpenTelemetry, and a dual‑track Spring AI roadmap—providing developers with a modern, cloud‑native Java stack.

AIJavaSpring Boot
0 likes · 9 min read
Spring Boot 4.0 & Spring Framework 7: Deep Dive into New Features and Migration Guide