system refactoring

Wukong Talks Architecture

Jul 14, 2024 · Backend Development

Comprehensive System Refactoring Case Study: From Monolithic to Distributed Architecture

This article details a complete system refactoring project, describing the original monolithic bottlenecks, the design of a distributed architecture, database model reconstruction, phased migration, testing, and rollout strategies to achieve scalable, reliable backend services.

Distributed Architecturebackend developmentdatabase redesign

0 likes · 17 min read

Comprehensive System Refactoring Case Study: From Monolithic to Distributed Architecture

Bilibili Tech

Apr 19, 2024 · Cloud Computing

Refactoring the Hybrid‑Cloud Account Login System: Challenges, Strategies, and Implementation

To meet four‑nine stability while unifying divergent on‑premise and public‑cloud login services, the team refactored the hybrid‑cloud account system by consolidating codebases, standardizing DAO layers, deploying gray releases across three active‑active sites, cutting development time by half, latency by 31 %, and technical debt.

account loginbackend architecturehybrid cloud

0 likes · 14 min read

Refactoring the Hybrid‑Cloud Account Login System: Challenges, Strategies, and Implementation

Wukong Talks Architecture

Dec 26, 2023 · Backend Development

System Refactoring Case Study: From Monolithic to Distributed Architecture and Database Redesign

This article details a comprehensive system refactoring project that transformed a monolithic, all‑in‑one architecture into a distributed, micro‑service‑based design with a completely rebuilt database model, covering problem analysis, solution design, phased implementation, testing, and rollout strategies.

Distributed Architecturebackend engineeringdatabase redesign

0 likes · 19 min read

System Refactoring Case Study: From Monolithic to Distributed Architecture and Database Redesign

Tencent Cloud Developer

Nov 15, 2023 · Backend Development

Applying Domain-Driven Design and Architecture Mapping in a Video Membership System: Process, Modeling, Refactoring, and Evaluation

The article demonstrates how combining Domain‑Driven Design with architecture mapping can transform a complex video‑membership platform by modeling domains, refactoring monolithic components into a clean micro‑service architecture, and quantitatively evaluating the resulting reductions in code size, latency, cost, and improved modularity.

Architecture MappingDomain-Driven DesignSoftware Architecture

0 likes · 14 min read

Applying Domain-Driven Design and Architecture Mapping in a Video Membership System: Process, Modeling, Refactoring, and Evaluation

Qunar Tech Salon

Oct 13, 2023 · Backend Development

Domain‑Driven Design and Microservice Architecture Evolution at Qunar.com

This presentation details Qunar.com's journey from a monolithic system to a service‑oriented, platform‑based architecture, emphasizing domain‑driven design principles, architectural evolution paths, reconstruction strategies, the adoption of the COLA framework, and the resulting improvements in organization and development efficiency.

COLA frameworkDomain-Driven Designbackend architecture

0 likes · 21 min read

Domain‑Driven Design and Microservice Architecture Evolution at Qunar.com

Qunar Tech Salon

Jun 27, 2023 · Backend Development

Refactoring the Supplier‑Product‑Adapter (SPA) System Using DDD and Spring WebFlux

This article presents a comprehensive case study of the SPA system used by Qunar, detailing its business and technical complexity, the adoption of Domain‑Driven Design and an adapter‑based architecture, the migration to Spring WebFlux for reactive asynchronous processing, and the measurable improvements achieved after refactoring.

DDDJavaReactive Programming

0 likes · 21 min read

Refactoring the Supplier‑Product‑Adapter (SPA) System Using DDD and Spring WebFlux

macrozheng

Apr 28, 2023 · Backend Development

Why System Refactoring Demands Courage: Real-World Lessons

The article explores the challenges and motivations behind large‑scale system refactoring, covering stability, coding standards, business rule changes, meeting structures, requirement juggling, technology selection, service division, migration, and implementation strategies, while emphasizing the need for strong team coordination and strategic trade‑offs.

Javabackend architecturemicroservices

0 likes · 19 min read

Why System Refactoring Demands Courage: Real-World Lessons

Qunar Tech Salon

Mar 23, 2022 · Backend Development

Case Study: DDD‑Driven Architectural Refactoring of the Hotel Pricing System at Qunar

This case study details how Qunar’s hotel pricing platform was reorganized in 2021 using Domain‑Driven Design and explicit architecture principles to streamline cross‑team collaboration, reduce data‑flow complexity, and improve response time by 25%, while aligning system structure with Conway’s Law.

Conway's LawDDDDomain-Driven Design

0 likes · 14 min read

Case Study: DDD‑Driven Architectural Refactoring of the Hotel Pricing System at Qunar

New Oriental Technology

May 10, 2021 · Backend Development

Spring StateMachine Implementation for Content Platform Question Bank System

This article details the implementation of Spring StateMachine for refactoring a content platform question bank system, addressing complex state management and coupling issues through state machine patterns.

Java FrameworkRedis PersistenceSpring StateMachine

0 likes · 11 min read

Spring StateMachine Implementation for Content Platform Question Bank System

Qunar Tech Salon

Dec 2, 2020 · Backend Development

Applying Domain-Driven Design to Refactor a Hotel Pricing System

This article describes how a hotel pricing platform was refactored using Domain-Driven Design, detailing the strategic, tactical, and implementation phases that clarified domain boundaries, introduced a layered architecture, standardized processes, and delivered faster development, better maintainability, and improved operational visibility.

DDDDomain-Driven DesignPricing System

0 likes · 14 min read

Applying Domain-Driven Design to Refactor a Hotel Pricing System

Ctrip Technology

Mar 12, 2020 · Backend Development

System Refactoring and Architecture Upgrade of Ctrip Vacation Product Platform

This article describes how Ctrip's vacation product system was modernized by migrating from a legacy .NET/SQL Server architecture to a MySQL‑based, front‑end/back‑end separated platform, detailing the challenges, step‑by‑step storage reconstruction, replication elimination, data model splitting, messaging replacement, and overall architectural improvements.

Architecture UpgradeDatabase Migrationbackend development

0 likes · 14 min read

System Refactoring and Architecture Upgrade of Ctrip Vacation Product Platform

Tencent Database Technology

Jan 24, 2019 · Databases

Architecture Evolution and Performance Optimization of Tencent's CKV Distributed In-Memory Storage System

This article details the architectural evolution and comprehensive refactoring of Tencent's CKV distributed in-memory key-value storage system, highlighting its transition to a two-tier single-process multi-threaded model, multi-tenant resource isolation, deep Redis protocol compatibility, and optimized memory engine, which collectively deliver significant improvements in performance, scalability, and operational cost efficiency.

Database ArchitectureIn-Memory DatabaseMulti-Tenant Architecture

0 likes · 10 min read

Architecture Evolution and Performance Optimization of Tencent's CKV Distributed In-Memory Storage System

Dada Group Technology

Dec 8, 2017 · Backend Development

Key Considerations for Large‑Scale System Refactoring: Lessons from Dada JD.com’s Double‑11 Experience

The article shares practical insights on planning, designing, developing, testing, and rolling out a large‑scale backend system refactor, emphasizing resource limits, pain points of legacy code, unit‑test protection, layering, decoupling, monitoring, and staged deployment to ensure stability during high‑traffic events.

DecouplingUnit Testingbackend architecture

0 likes · 9 min read

Key Considerations for Large‑Scale System Refactoring: Lessons from Dada JD.com’s Double‑11 Experience

Qunar Tech Salon

May 27, 2016 · Operations

Segmented Implementation Strategy for System Architecture Refactoring

To effectively refactor a legacy system, the article proposes a staged implementation approach that prioritizes issues by severity, categorizes problems, and tackles easier tasks first, thereby concentrating limited resources, reducing risk, and delivering visible improvements in usability, performance, and scalability across successive phases.

Software Architectureoperationssoftware engineering

0 likes · 8 min read

Segmented Implementation Strategy for System Architecture Refactoring