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Migration

351 articles · Page 2 of 4
Top Architect
Top Architect
May 26, 2025 · Databases

Design and Implementation of MySQL Table Sharding with ShardingSphere and Spring Boot

This article walks through the full process of designing, configuring, and implementing a sharding solution for large loan and repayment tables using ShardingSphere, Spring Boot 3, MySQL, and MyBatis‑Plus, covering schema planning, data migration, DBA coordination, code examples, common pitfalls, and operational considerations.

MigrationShardingSpringBoot
0 likes · 19 min read
Design and Implementation of MySQL Table Sharding with ShardingSphere and Spring Boot
php Courses
php Courses
May 23, 2025 · Backend Development

Deprecated PHP Functions in PHP 8 and Their Modern Replacements

This article lists the PHP functions that have been deprecated or removed in PHP 8, explains the security and performance risks of continuing to use them, and provides modern alternatives such as closures, foreach loops, PDO/MySQLi, preg_* functions, and OpenSSL.

Code RefactoringMigrationPHP
0 likes · 7 min read
Deprecated PHP Functions in PHP 8 and Their Modern Replacements
Top Architect
Top Architect
Mar 27, 2025 · Backend Development

Why SpringBoot 3.0 Removed spring.factories and Introduced the Imports Mechanism

SpringBoot 3.0 eliminates the long‑standing spring.factories file due to startup performance penalties, lack of modular support, static configuration limits, and incompatibility with GraalVM native images, and replaces it with a set of imports files that provide clearer, faster, and more modular auto‑configuration registration.

GraalVMMigrationSpringBoot
0 likes · 15 min read
Why SpringBoot 3.0 Removed spring.factories and Introduced the Imports Mechanism
21CTO
21CTO
Feb 9, 2025 · Databases

How Notion Scaled PostgreSQL with Database Sharding

Notion tackled severe PostgreSQL performance limits by sharding its Block table and related tables across 480 logical shards on 32 physical databases, using workspace IDs as shard keys, a dual‑write migration, and rigorous validation to achieve near‑zero downtime and faster response times.

Backend ArchitectureMigrationPostgreSQL
0 likes · 7 min read
How Notion Scaled PostgreSQL with Database Sharding
IT Architects Alliance
IT Architects Alliance
Jan 29, 2025 · Cloud Native

Cloud‑Native Architecture vs Traditional Architecture: Benefits, Design, Development, and Migration Strategies

The article compares cloud‑native and traditional architectures, explaining how microservices, containers, and DevOps enable greater flexibility, scalability, resource efficiency, fault tolerance, and faster market response, while outlining migration best practices for enterprises transitioning to the cloud.

Migrationcloud-nativeresource-management
0 likes · 16 min read
Cloud‑Native Architecture vs Traditional Architecture: Benefits, Design, Development, and Migration Strategies
IT Architects Alliance
IT Architects Alliance
Jan 14, 2025 · Backend Development

From Monolith to Microservices: Benefits, Migration Practices, and a Real‑World Case Study

This article explains why monolithic applications become problematic as they scale, outlines the key advantages of microservice architectures, provides a step‑by‑step migration guide—including planning, service boundary definition, infrastructure setup, data decoupling, and communication—and illustrates the process with a fintech company case study.

Case studyMigrationbackend
0 likes · 10 min read
From Monolith to Microservices: Benefits, Migration Practices, and a Real‑World Case Study
Open Source Linux
Open Source Linux
Jan 14, 2025 · Cloud Computing

Why Is Akamai Pulling Its CDN From China and What It Means for Users

On June 30, 2026, Akamai will shut down its CDN operations in China, directing remaining traffic to neighboring countries while offering migration paths through Tencent Cloud and Wangsu, and the article explains CDN fundamentals, China’s network landscape, Akamai’s history, and community reactions to the change.

AkamaiCDNChina
0 likes · 14 min read
Why Is Akamai Pulling Its CDN From China and What It Means for Users
Efficient Ops
Efficient Ops
Jan 7, 2025 · Cloud Computing

Akamai’s China Exit: What It Means for CDN Users and How to Migrate

Akamai will cease its CDN services in China on June 30 2026, offering migration partners like Tencent while explaining CDN fundamentals, benefits, components, and key terminology such as CNAME records, intelligent DNS, and origin protocols for readers planning a smooth transition.

AkamaiCDNCloud Computing
0 likes · 9 min read
Akamai’s China Exit: What It Means for CDN Users and How to Migrate
Python Programming Learning Circle
Python Programming Learning Circle
Jan 4, 2025 · Backend Development

Instagram’s Migration from Python 2 to Python 3: Challenges, Solutions, and Performance Gains

This article details how Instagram migrated its massive Python 2/Django codebase to Python 3, covering the motivations, custom Django extensions, migration strategy, technical pitfalls such as Unicode handling, pickle compatibility, iterator behavior, and the resulting CPU and memory improvements.

DjangoMigrationPython
0 likes · 18 min read
Instagram’s Migration from Python 2 to Python 3: Challenges, Solutions, and Performance Gains
Su San Talks Tech
Su San Talks Tech
Jan 1, 2025 · Backend Development

What’s New in Spring Boot 3.4? Key Upgrades, Config Changes, and Migration Tips

Spring Boot 3.4 introduces extensive updates—including RestClient and RestTemplate auto‑configuration, revised HTTP client factories, refined bean validation, graceful shutdown defaults, a new Paketo tiny builder for OCI images, deprecations, and numerous configuration and observability enhancements—providing developers with a comprehensive guide to upgrade and leverage the latest features.

ConfigurationMigrationSpring Boot
0 likes · 20 min read
What’s New in Spring Boot 3.4? Key Upgrades, Config Changes, and Migration Tips
Top Architecture Tech Stack
Top Architecture Tech Stack
Dec 26, 2024 · Operations

GitLab Discontinues Service for China Mainland, Macau, and Hong Kong and Advises Migration to JiHu

GitLab announced that it will cease providing GitLab.com accounts to users in mainland China, Macau and Hong Kong, offering a 60‑day migration window to the locally‑operated JiHu platform and prompting widespread discussion about data integrity, compliance, and the future of open‑source development in the region.

DevOpsGitLabJiHu
0 likes · 7 min read
GitLab Discontinues Service for China Mainland, Macau, and Hong Kong and Advises Migration to JiHu
Alibaba Cloud Native
Alibaba Cloud Native
Dec 17, 2024 · Cloud Native

Achieving Full Cloud‑Native Migration: Hangzhou MingShitang’s Journey to 100% SLA

This case study details how Hangzhou MingShitang migrated its entire online‑education platform from self‑hosted IDC infrastructure to Alibaba Cloud, redesigning registration, configuration, micro‑service governance, safe release and gateway layers with MSE, Sentinel and cloud‑native technologies to attain 100% SLA, dramatically cut costs and boost performance.

Alibaba CloudMigrationcloud-native
0 likes · 19 min read
Achieving Full Cloud‑Native Migration: Hangzhou MingShitang’s Journey to 100% SLA
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Dec 14, 2024 · Frontend Development

How to Transform Your Vue2 Codebase to Vue3 with Script Setup

This article walks through the practical steps for migrating a Vue2 project to Vue3, covering script‑setup syntax, composition‑API patterns, removal of mixins and global variables, file‑naming conventions, and reusable composable functions to achieve a cleaner, more maintainable codebase.

Composition APIFrontendMigration
0 likes · 11 min read
How to Transform Your Vue2 Codebase to Vue3 with Script Setup
macrozheng
macrozheng
Dec 3, 2024 · Backend Development

Master Spring Boot 3.4: Key Changes, New Features, and Migration Guide

This comprehensive guide explores Spring Boot 3.4’s performance boosts, enhanced observability, and developer experience improvements, detailing major changes such as RestClient/RestTemplate auto‑configuration, bean validation updates, graceful shutdown, structured logging formats, observability enhancements, dependency upgrades, testing enhancements, and deprecated feature handling, with practical code snippets.

ConfigurationMigrationSpring Boot
0 likes · 9 min read
Master Spring Boot 3.4: Key Changes, New Features, and Migration Guide
DeWu Technology
DeWu Technology
Dec 2, 2024 · Frontend Development

Migrating a Desktop Application from Electron to Tauri: Architecture, Implementation, and Lessons Learned

By rewriting the “得物商家客服” client’s backend in Rust and swapping Electron’s Chromium renderer for Tauri’s native WebView, the team cut binary size by 91%, halved memory use, reduced CPU load, improved startup, and documented challenges such as WebView2 installation, notification callbacks, and limited Tauri documentation.

DesktopAppElectronMigration
0 likes · 44 min read
Migrating a Desktop Application from Electron to Tauri: Architecture, Implementation, and Lessons Learned
php Courses
php Courses
Nov 20, 2024 · Backend Development

Handling PHP Version Compatibility: Common Issues and Effective Solutions

This article examines common PHP version compatibility challenges—including deprecated functions, changed defaults, framework incompatibilities, syntax alterations, and stricter error reporting—and provides a step‑by‑step guide with auditing, refactoring, framework updates, testing, environment setup, and tools to ensure smooth upgrades such as from PHP 7 to PHP 8.

Code RefactoringMigrationPHP
0 likes · 9 min read
Handling PHP Version Compatibility: Common Issues and Effective Solutions
Alibaba Cloud Infrastructure
Alibaba Cloud Infrastructure
Nov 18, 2024 · Cloud Native

Alibaba Cloud ACK Backup Center: Kubernetes Disaster Recovery and Migration with Resource Adjustment Strategies

This article explains how Alibaba Cloud ACK Backup Center simplifies Kubernetes disaster recovery and cross‑cluster migration by offering automated resource‑adjustment policies, detailed backup and restore workflows, and a step‑by‑step best‑practice example for migrating a stateful application with custom YAML configurations.

ACKCloud NativeKubernetes
0 likes · 10 min read
Alibaba Cloud ACK Backup Center: Kubernetes Disaster Recovery and Migration with Resource Adjustment Strategies
Architecture Digest
Architecture Digest
Oct 24, 2024 · Backend Development

Oracle Java Migration Trends: Cost, Licensing, and OpenJDK Adoption

A recent Azul Systems survey reveals that over 80% of Oracle Java users are migrating to OpenJDK or commercially‑supported OpenJDK distributions to reduce costs, avoid licensing uncertainties, and gain more flexible, open‑source Java solutions, with most migrations completing within a year.

Enterprise SupportLicensingMigration
0 likes · 5 min read
Oracle Java Migration Trends: Cost, Licensing, and OpenJDK Adoption
dbaplus Community
dbaplus Community
Oct 7, 2024 · Databases

How Do Chinese Databases Compare in Compatibility? A Detailed Survey

This article surveys the compatibility of major Chinese database products with Oracle, MySQL, PostgreSQL and other systems, covering compatibility targets, levels, assessment methods, migration tools, and specific feature support such as protocols, data types, character sets, SQL syntax, procedural languages, built‑in functions, system views, optimizer capabilities and security features.

Chinese databasesDatabase CompatibilityEvaluation Tools
0 likes · 26 min read
How Do Chinese Databases Compare in Compatibility? A Detailed Survey
Java Architecture Stack
Java Architecture Stack
Sep 25, 2024 · Databases

When to Use NOT NULL vs NULL in Database Design: Practical Guidelines

This article explains when to use NOT NULL versus NULL in relational database schemas, covering required fields, optional columns, unknown‑state representation, foreign keys, performance impact, versioning, data analysis, migration, default values and JSON types, with concrete SQL examples and practical guidance.

DatabasesMigrationSQL
0 likes · 13 min read
When to Use NOT NULL vs NULL in Database Design: Practical Guidelines
JD Tech Talk
JD Tech Talk
Sep 25, 2024 · Frontend Development

Migrating a Webpack Project to Vite Using the Golden Circle Framework

This article explains why and how to migrate a large Vue 2 Webpack codebase to Vite, applying Simon Sinek's Golden Circle model to clarify motivation, method, and concrete steps, and demonstrates the resulting dramatic reduction in build time and bundle size.

Build ToolsMigrationVite
0 likes · 13 min read
Migrating a Webpack Project to Vite Using the Golden Circle Framework
php Courses
php Courses
Sep 5, 2024 · Backend Development

Migrating from ereg_replace() to preg_replace() in PHP: A Comprehensive Guide

This guide explains why and how to replace the deprecated ereg_replace() with the modern preg_replace() in PHP, covering performance benefits, syntax differences, migration steps, advanced usage, and practical code examples to help developers update their code safely and efficiently.

MigrationPHPRegex
0 likes · 13 min read
Migrating from ereg_replace() to preg_replace() in PHP: A Comprehensive Guide
Open Source Tech Hub
Open Source Tech Hub
Aug 12, 2024 · Backend Development

Compiling ThinkPHP8 with BPC: From Migration to Running OurBlog

This article explains how BPC, a PHP native compiler, can translate ThinkPHP8 code into C, outlines the required dependencies, details the migration of the OurBlog sample project, describes necessary code adjustments, and provides step‑by‑step instructions to compile and run the resulting binary.

BPCCompilationMigration
0 likes · 6 min read
Compiling ThinkPHP8 with BPC: From Migration to Running OurBlog
StarRocks
StarRocks
Aug 9, 2024 · Big Data

How Pinterest Cut Query Latency by 50% with StarRocks Migration

Pinterest migrated its Partner Insights analytics from Druid to StarRocks, achieving a 50% reduction in p90 latency, a six‑fold cost‑performance improvement, and simplified data ingestion, illustrating the benefits of a modern MPP database for real‑time ad analytics.

MPPMigrationPinterest
0 likes · 6 min read
How Pinterest Cut Query Latency by 50% with StarRocks Migration
IT Services Circle
IT Services Circle
Aug 6, 2024 · Backend Development

Oracle Java Market Share Decline and Migration Trends: 2023 Survey Insights

A 2023 survey of 663 Java professionals reveals a sharp decline in Oracle Java's market share, with 86% planning or already migrating to OpenJDK alternatives due to cost, licensing uncertainty, audit risk, and a preference for open‑source solutions, while highlighting migration timelines, satisfaction, and emerging pricing models.

JDK market shareMigrationOpenJDK
0 likes · 7 min read
Oracle Java Market Share Decline and Migration Trends: 2023 Survey Insights
21CTO
21CTO
Aug 2, 2024 · Backend Development

Why Developers Are Ditching Oracle Java and How to Switch to OpenJDK

A market study reveals that rising Oracle Java subscription costs are driving many users to migrate to OpenJDK, and this guide explains the reasons behind the shift and provides step‑by‑step instructions for removing Oracle JDK and installing OpenJDK.

MigrationOpenJDKOracle JDK
0 likes · 6 min read
Why Developers Are Ditching Oracle Java and How to Switch to OpenJDK
Sohu Tech Products
Sohu Tech Products
Jul 10, 2024 · Industry Insights

How StarRocks and Apache Paimon Transform Data Lake Analytics and Migration

This article provides a practical deep‑dive into StarRocks and Apache Paimon, covering data‑lake fundamentals, the technical advantages of both platforms, performance gains over traditional engines, step‑by‑step migration strategies, deployment options on Alibaba Cloud EMR, and future roadmap plans.

Apache PaimonData LakeMigration
0 likes · 15 min read
How StarRocks and Apache Paimon Transform Data Lake Analytics and Migration
Bilibili Tech
Bilibili Tech
Jul 5, 2024 · Frontend Development

Applying Clean Architecture to Front-End Migration: Refactoring a Large-Scale Review Platform from Vue2 to Vue3

The team refactored a high‑traffic Vue2 detail page to Vue3 using Clean Architecture, separating entities, use‑cases, adapters, and framework layers, while employing AST‑based tooling, comprehensive unit/E2E/visual tests, and a gray‑release strategy, resulting in reduced duplication, better test coverage, and a reusable migration pipeline.

AutomationClean ArchitectureFrontend
0 likes · 23 min read
Applying Clean Architecture to Front-End Migration: Refactoring a Large-Scale Review Platform from Vue2 to Vue3
Architecture Digest
Architecture Digest
Jul 3, 2024 · Operations

CentOS End‑of‑Life and Viable Alternative Linux Distributions

The article explains that CentOS Linux 8 ceased updates at the end of 2021 and CentOS 7 will reach end‑of‑support on June 30, 2024, describes the shift to CentOS Stream, and outlines several alternative operating systems—including Rocky Linux, Ubuntu, RHEL, and domestic Chinese distributions—providing guidance for enterprises and developers on migration paths.

Alternative DistributionsCentOSLinux
0 likes · 9 min read
CentOS End‑of‑Life and Viable Alternative Linux Distributions
TAL Education Technology
TAL Education Technology
Jun 11, 2024 · Cloud Native

Containerizing Elasticsearch: Architecture Upgrade, API Gateway Integration, and Cloud‑Native Migration

This article details how a large‑scale Elasticsearch deployment was transformed from physical servers to a Kubernetes‑based, containerized architecture, addressing cost, scalability, API compatibility, security, observability, and multi‑cloud migration using the 极限网关 API gateway.

API GatewayCloud NativeElasticsearch
0 likes · 11 min read
Containerizing Elasticsearch: Architecture Upgrade, API Gateway Integration, and Cloud‑Native Migration
Code Ape Tech Column
Code Ape Tech Column
May 17, 2024 · Backend Development

Migrating from Fastjson to Gson: Practical Guide, Pitfalls and Solutions

This article documents a month‑long effort to replace Fastjson with Gson in Java projects, analyzing security vulnerabilities, comparing performance and features of Fastjson, Jackson and Gson, and providing detailed migration steps, code examples, and solutions to common issues such as date handling, SpringBoot integration, Swagger compatibility and numeric type conversion.

GsonMigrationjson
0 likes · 19 min read
Migrating from Fastjson to Gson: Practical Guide, Pitfalls and Solutions
Aikesheng Open Source Community
Aikesheng Open Source Community
May 8, 2024 · Databases

OceanBase DBA from Beginner to Practice: Comprehensive Tutorial and Learning Path

The OceanBase community offers a detailed, eight‑session DBA tutorial covering the platform’s architecture, deployment, migration, performance tuning, diagnostic tools, and ecosystem components, complemented by live streaming, hands‑on exercises, certification incentives, and real‑world user testimonials to help developers and DBAs master this distributed database.

Database AdministrationMigrationOceanBase
0 likes · 9 min read
OceanBase DBA from Beginner to Practice: Comprehensive Tutorial and Learning Path
Alibaba Cloud Observability
Alibaba Cloud Observability
Apr 12, 2024 · Cloud Computing

Why Alibaba Cloud SLS Beats Open‑Source ELK for Log Management

Alibaba Cloud Log Service (SLS) offers a serverless, high‑availability, low‑cost alternative to self‑built ELK stacks, providing comparable Elasticsearch and Kafka compatibility, superior storage, query, and alerting capabilities, and streamlined migration paths, making it a compelling choice for large‑scale observability workloads.

Cloud ServiceELKMigration
0 likes · 13 min read
Why Alibaba Cloud SLS Beats Open‑Source ELK for Log Management
Code Ape Tech Column
Code Ape Tech Column
Mar 12, 2024 · Backend Development

Problems with java.util.Date and Migration to java.time API

The article explains the design flaws of java.util.Date, such as mutability, misleading naming, and timezone issues, and provides a step‑by‑step guide to replace it and related APIs with java.time classes like Instant, LocalDateTime, and ZonedDateTime, including code examples.

APIMigrationdate
0 likes · 13 min read
Problems with java.util.Date and Migration to java.time API
Goodme Frontend Team
Goodme Frontend Team
Mar 11, 2024 · Frontend Development

How to Migrate Legacy Vue Links to a React Stack with Seamless Redirection

This article explains the challenges of migrating legacy Vue applications to a unified React stack, focusing on external link redirection, route parameter handling, and unified routing conventions, and provides a concrete implementation using Nginx, path-to-regexp, and a custom Redirector class.

FrontendMigrationRedirect
0 likes · 14 min read
How to Migrate Legacy Vue Links to a React Stack with Seamless Redirection
iQIYI Technical Product Team
iQIYI Technical Product Team
Mar 8, 2024 · Big Data

Smooth Migration from Hive to Iceberg Data Lake at iQIYI: Architecture, Techniques, and Performance Evaluation

iQIYI migrated hundreds of petabytes of Hive tables to Apache Iceberg using dual‑write, in‑place, and CTAS strategies, combined with partition pruning, Bloom filters, and Trino/Alluxio optimizations, achieving up to 40% lower query latency, simplified pipelines, and faster, cost‑effective data lake operations.

Data LakeHiveIceberg
0 likes · 20 min read
Smooth Migration from Hive to Iceberg Data Lake at iQIYI: Architecture, Techniques, and Performance Evaluation
DataFunTalk
DataFunTalk
Feb 22, 2024 · Big Data

Flink on Kubernetes: Kuaishou’s Practice, Migration, and Future Refactoring

This article details Kuaishou’s five‑year evolution of Flink, covering its background, production refactoring to Kubernetes, migration practices, and future improvements, highlighting architecture layers, resource management, observability, and testing strategies for large‑scale stream processing.

Big DataCloud NativeFlink
0 likes · 12 min read
Flink on Kubernetes: Kuaishou’s Practice, Migration, and Future Refactoring
Qunar Tech Salon
Qunar Tech Salon
Feb 20, 2024 · Databases

Qunar.com Redis Automation Operations System: Architecture, Deployment, Migration, Scaling, and Inspection

This article details Qunar.com's Redis automation operations system, covering background challenges, the high‑availability cluster architecture, resource management, automated deployment, various migration strategies, scaling mechanisms with RedisGate, inspection processes, and future AI‑driven enhancements.

AIAutomationDatabase Operations
0 likes · 14 min read
Qunar.com Redis Automation Operations System: Architecture, Deployment, Migration, Scaling, and Inspection
Open Source Tech Hub
Open Source Tech Hub
Feb 19, 2024 · Backend Development

Why Laravel Stands Out: A Deep Dive into Its Elegant Backend Features

This article walks through Laravel's full‑stack design, showcasing Artisan commands, model generation, migrations, Eloquent relationships, routing, testing, and core container mechanics while highlighting practical code examples and the trade‑offs that make Laravel both powerful and occasionally heavyweight.

ArtisanEloquentMigration
0 likes · 25 min read
Why Laravel Stands Out: A Deep Dive into Its Elegant Backend Features
JD Tech
JD Tech
Jan 26, 2024 · Backend Development

Optimizing Java Applications with Spring Boot 2.7 and JDK 17: Features, Migration Steps, and Deployment Practices

This article explains how combining Spring Boot 2.7 with JDK 17 can improve Java application performance, outlines the new language and runtime features, details migration challenges, provides configuration and code examples, and shares practical deployment guidance for cloud‑native environments.

JDK 17MigrationSpring Boot
0 likes · 23 min read
Optimizing Java Applications with Spring Boot 2.7 and JDK 17: Features, Migration Steps, and Deployment Practices
JD Retail Technology
JD Retail Technology
Jan 19, 2024 · Backend Development

Comprehensive Guide to Upgrading from JDK8/11 to JDK17: Performance Gains, New Language Features, and Migration Steps

This article explains why upgrading from JDK8 or JDK11 to the long‑term support JDK17 brings significant garbage‑collector performance improvements, new language features, and better framework compatibility, and provides detailed migration steps, Maven and SpringBoot configuration changes, and troubleshooting tips.

GarbageCollectionJDKMigration
0 likes · 16 min read
Comprehensive Guide to Upgrading from JDK8/11 to JDK17: Performance Gains, New Language Features, and Migration Steps
php Courses
php Courses
Jan 15, 2024 · Backend Development

Using Named Parameters in PHP 8

PHP 8 introduces named parameters, allowing developers to pass arguments by name instead of position, which improves code readability, reduces errors, simplifies version migration, and enables more self‑documenting function calls, as demonstrated with several HTTP request examples and array‑handling snippets.

MigrationPHPbackend
0 likes · 5 min read
Using Named Parameters in PHP 8
Zuoyebang Tech Team
Zuoyebang Tech Team
Dec 28, 2023 · Big Data

How We Scaled Our Data Platform by Migrating to Apache DolphinScheduler

Facing growing task volumes and diverse workload types, we upgraded our data development platform's scheduling engine to Apache DolphinScheduler, detailing the migration process, architectural enhancements, stability and observability improvements, multi‑tenant support, and the resulting performance gains and future roadmap.

Apache DolphinSchedulerBig DataMigration
0 likes · 12 min read
How We Scaled Our Data Platform by Migrating to Apache DolphinScheduler
Wukong Talks Architecture
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 ArchitectureMigrationbackend engineering
0 likes · 19 min read
System Refactoring Case Study: From Monolithic to Distributed Architecture and Database Redesign
FunTester
FunTester
Dec 24, 2023 · Backend Development

What Changed When Upgrading Apache HttpClient 4 to 5? A Hands‑On Migration Guide

This article walks through the painful migration from Apache HttpClient 4.x to 5.3, detailing modular design, customization, HTTP/2 support, connection management, API changes such as retry strategy, request/response configuration, interceptors, async client, and provides concrete Maven snippets and code comparisons to help developers evaluate whether the upgrade is worthwhile.

API changesApache HttpClientHTTP/2
0 likes · 14 min read
What Changed When Upgrading Apache HttpClient 4 to 5? A Hands‑On Migration Guide
JD Cloud Developers
JD Cloud Developers
Dec 20, 2023 · Backend Development

How to Seamlessly Upgrade Spring Boot 2.7 for JDK 17 on JD Cloud

This guide explains why Spring Boot 2.7 is the optimal bridge to JDK 17, details the new language and performance features, provides step‑by‑step deployment and configuration instructions for JD Cloud, and shares practical compatibility fixes and IDE tips for a smooth migration.

JDK 17MigrationSpring Boot
0 likes · 20 min read
How to Seamlessly Upgrade Spring Boot 2.7 for JDK 17 on JD Cloud
dbaplus Community
dbaplus Community
Dec 13, 2023 · Databases

Tackling the Top 8 Challenges of Domestic Databases in Banking and Proven Strategies

The article examines the rapid growth of domestic databases in China’s banking sector, identifies eight critical pain points—from product stability and resource consumption to tooling gaps and migration difficulties—and offers detailed countermeasures covering version upgrade planning, resource optimization, functional testing, skill development, monitoring, ecosystem building, data migration, and backup‑recovery improvements.

DatabasesMigrationOperations
0 likes · 16 min read
Tackling the Top 8 Challenges of Domestic Databases in Banking and Proven Strategies
JD Tech
JD Tech
Dec 5, 2023 · Backend Development

Comprehensive Guide to Upgrading from JDK 8 to JDK 11: Performance, New Features, and Migration Practices

This article provides a thorough analysis of upgrading Java applications from JDK 8 to JDK 11, covering performance improvements, garbage collector comparisons, new language features, module system changes, practical migration steps, common pitfalls, and best‑practice recommendations for enterprise backend development.

Garbage CollectionJDK11Migration
0 likes · 20 min read
Comprehensive Guide to Upgrading from JDK 8 to JDK 11: Performance, New Features, and Migration Practices
ByteDance Data Platform
ByteDance Data Platform
Nov 22, 2023 · Frontend Development

How HookStore Revamps DataWind’s Frontend Data Flow with Redux and Hooks

This article explains how DataWind’s frontend team replaced the outdated Dva‑based data flow with a new Redux‑plus‑hook solution called HookStore, detailing the pain points of complex initialization, legacy async syntax, tight module coupling, and showing migration steps, code examples, and benefits such as multi‑instance support and OpenAPI decoupling.

FrontendHooksMigration
0 likes · 14 min read
How HookStore Revamps DataWind’s Frontend Data Flow with Redux and Hooks
DataFunSummit
DataFunSummit
Oct 13, 2023 · Big Data

Practical Experience of Flink on Kubernetes at Kuaishou

This article presents Kuaishou's comprehensive journey of adopting Flink on Kubernetes, covering its background, evolution, architecture, production migration, observability, testing, and future plans, and demonstrates how large‑scale streaming workloads are transformed to a cloud‑native environment.

Big DataFlinkKubernetes
0 likes · 14 min read
Practical Experience of Flink on Kubernetes at Kuaishou
Aikesheng Open Source Community
Aikesheng Open Source Community
Oct 11, 2023 · Databases

Implementing Auto‑Increment Primary Keys When Migrating MySQL to OB Oracle

This article demonstrates two practical approaches for handling MySQL auto‑increment columns during migration to OB Oracle—creating custom sequences with DBCAT and using the GENERATED BY DEFAULT AS IDENTITY attribute—provides step‑by‑step commands, scripts, and validation results to help DBA engineers achieve seamless primary‑key migration.

Auto-IncrementDataXDatabase
0 likes · 16 min read
Implementing Auto‑Increment Primary Keys When Migrating MySQL to OB Oracle
JD Tech
JD Tech
Sep 25, 2023 · Backend Development

Comprehensive Guide to Upgrading from JDK 8 to JDK 11: Performance Gains, New Features, and Migration Practices

This article explains why upgrading from JDK 8 to JDK 11 is beneficial, details performance improvements—especially GC behavior—lists the new language and API features, provides step‑by‑step migration guidance, highlights common pitfalls such as module‑system issues, and offers practical recommendations for production environments.

GCJDK11Migration
0 likes · 20 min read
Comprehensive Guide to Upgrading from JDK 8 to JDK 11: Performance Gains, New Features, and Migration Practices
ITPUB
ITPUB
Sep 3, 2023 · Databases

Migrating from MySQL 5.7 to 8.0: Steps, New Features, and Alternative Paths

With MySQL 5.7 reaching end‑of‑life, this guide explains why you should upgrade to MySQL 8.0, outlines the new SQL capabilities and tools, and compares migration options including DBaaS and switching to PostgreSQL, helping you choose the best path for your workloads.

DBaaSDatabase UpgradeMigration
0 likes · 8 min read
Migrating from MySQL 5.7 to 8.0: Steps, New Features, and Alternative Paths
StarRocks
StarRocks
Aug 24, 2023 · Databases

How StarRocks Boosted Query Speed 3‑10× for a Billion‑Scale Reporting Platform

Facing massive daily query loads, Wanwu Newborn’s Watcher reporting platform migrated from MySQL, Greenplum, and Trino to StarRocks, cutting compute nodes by half while achieving 3‑10× faster query performance, higher success rates, and lower cost, as demonstrated by TPC‑DS and real‑world business query benchmarks.

MigrationStarRocksolap
0 likes · 14 min read
How StarRocks Boosted Query Speed 3‑10× for a Billion‑Scale Reporting Platform
Bitu Technology
Bitu Technology
Jul 26, 2023 · Frontend Development

Migrating from Enzyme to React Testing Library: Strategy, Tools, and Lessons Learned at Tubi

This article details Tubi's comprehensive migration from Enzyme to React Testing Library, covering the motivations, testing philosophy shifts, custom codemods, lint enforcement, progress tracking scripts, implementation examples, and the overall cost, timeline, and lessons learned from converting over 440 test files and 100k lines of code.

CodemodsEnzymeMigration
0 likes · 17 min read
Migrating from Enzyme to React Testing Library: Strategy, Tools, and Lessons Learned at Tubi
Bilibili Tech
Bilibili Tech
May 26, 2023 · Backend Development

Multi‑Tenant Account System Architecture and Migration Strategy at Bilibili

Bilibili redesigned its fragmented account system into a unified, multi-tenant architecture using DDD and a four-layer design, consolidating all business lines into one codebase with configurable data isolation, logic, and dependencies, split into four micro-services, and migrated safely via gray-release and bidirectional sync.

ConfigurationDDDMigration
0 likes · 18 min read
Multi‑Tenant Account System Architecture and Migration Strategy at Bilibili
Programmer DD
Programmer DD
May 17, 2023 · Backend Development

Why Java 17 Is Surging: 430% Growth and What It Means for Developers

New Relic’s 2023 Java Ecosystem Report reveals rapid adoption of Java 17, a steady dominance of Java 11, a shift toward cloud‑native deployments, and strong developer interest in full‑stack and modern frameworks, highlighting the ongoing transformation of enterprise Java.

Cloud NativeMigrationjava ecosystem
0 likes · 7 min read
Why Java 17 Is Surging: 430% Growth and What It Means for Developers
Efficient Ops
Efficient Ops
Apr 24, 2023 · Databases

Seamless High‑Concurrency Database Migration for Massive Domestic Transformation

This talk outlines the strategic shift toward domestic, high‑performance databases, comparing shared‑everything, shared‑nothing, and shared‑storage architectures, and presents a seven‑step migration framework—including selection, testing, full and incremental sync, application refactoring, dual‑write or middleware switching, and post‑migration observability—to achieve seamless, low‑impact migration of massive, high‑concurrency workloads.

DatabasesMigrationarchitecture
0 likes · 17 min read
Seamless High‑Concurrency Database Migration for Massive Domestic Transformation
Sohu Tech Products
Sohu Tech Products
Apr 6, 2023 · Frontend Development

Migrating Sentry’s Front‑end Tests from Enzyme to React Testing Library

At Sentry, the team documented a year‑and‑four‑month effort to replace Enzyme with React Testing Library across thousands of tests, detailing the motivations, migration strategy, performance challenges, tooling changes, and the eventual benefits such as improved accessibility, reduced reliance on React internals, and a more maintainable test suite.

EnzymeMigrationReAct
0 likes · 14 min read
Migrating Sentry’s Front‑end Tests from Enzyme to React Testing Library
dbaplus Community
dbaplus Community
Mar 12, 2023 · Databases

Why MySQL 8.0 Queries Fail After Upgrading from 5.7: Charset & Collation Pitfalls

When upgrading MySQL 5.7 tables that use utf8 or utf8mb3 to MySQL 8.0, mismatched character sets and collations can cause index loss and inefficient joins, but converting all tables to utf8mb4 and adjusting the driver table can restore optimal query performance, as demonstrated with detailed examples and profiling results.

CharsetCollationMigration
0 likes · 7 min read
Why MySQL 8.0 Queries Fail After Upgrading from 5.7: Charset & Collation Pitfalls
Su San Talks Tech
Su San Talks Tech
Feb 24, 2023 · Backend Development

Why We’re Dropping RabbitMQ for Kafka: A Complete Migration Blueprint

Facing chaotic usage, maintenance challenges, partition tolerance issues, and performance bottlenecks with RabbitMQ, our middleware team decided to fully migrate to Kafka, outlining reasons, comparative models, migration strategies, and verification steps to ensure a smooth, high‑availability, high‑performance transition.

KafkaMessage QueueMigration
0 likes · 13 min read
Why We’re Dropping RabbitMQ for Kafka: A Complete Migration Blueprint
php Courses
php Courses
Feb 20, 2023 · Backend Development

Laravel 10 Release: New Features, Requirements, and Upgrade Guide

Laravel 10 has been released with a minimum PHP 8.1 requirement, introducing Laravel Pennant feature flags, an enhanced Process layer, native type declarations, invokable validation rules, testing profiling, a new password helper, and detailed upgrade and support timelines.

FeatureFlagsLaravel10Migration
0 likes · 7 min read
Laravel 10 Release: New Features, Requirements, and Upgrade Guide
JD Retail Technology
JD Retail Technology
Feb 13, 2023 · Frontend Development

What’s New in NutUI 4.0? A Deep Dive into Features, Performance Gains, and Migration Tips

NutUI 4.0 introduces a dynamic CSS‑variables theme, a dedicated icon library, automatic on‑demand component import, new components such as Tour and PullRefresh, extensive component refinements, significant bundle‑size reductions, upgraded build tools, and updated type declarations, providing a lighter, more flexible frontend solution.

FrontendMigrationUI library
0 likes · 9 min read
What’s New in NutUI 4.0? A Deep Dive into Features, Performance Gains, and Migration Tips
Programmer DD
Programmer DD
Feb 3, 2023 · Backend Development

How EMT4J Simplifies Upgrading Java 8, 11, and 17 Applications

The Eclipse Migration Toolkit for Java (EMT4J) is an open‑source tool that analyzes Java projects and automates upgrades from Java 8 to 11 and from 11 to 17, offering Maven, agent, and CLI options, detailed incompatibility reports, and extensible rule sets to ease migration challenges.

AnalysisMigrationemt4j
0 likes · 7 min read
How EMT4J Simplifies Upgrading Java 8, 11, and 17 Applications
Code Ape Tech Column
Code Ape Tech Column
Dec 21, 2022 · Backend Development

Migrating from Fastjson to Gson: Lessons Learned and Best Practices

This article documents a month‑long effort to replace Fastjson with Gson in Java projects, analyzing security vulnerabilities, comparing performance and features of Fastjson, Jackson, and Gson, and providing detailed migration steps, code examples, and pitfalls to avoid for large‑scale backend systems.

FastjsonGsonMigration
0 likes · 21 min read
Migrating from Fastjson to Gson: Lessons Learned and Best Practices
Java High-Performance Architecture
Java High-Performance Architecture
Nov 18, 2022 · Backend Development

Avoid Java 8‑to‑17 Upgrade Pitfalls: Compilation, Unified Logging, and GC Migration Guide

This article walks through practical steps for migrating Java 8 projects to Java 17, covering removed modules, dependency adjustments, unified logging syntax, deprecated GC flags, reflection restrictions, and tuning recommendations for G1 garbage collection to help developers avoid common upgrade traps.

GCMigrationUnified Logging
0 likes · 19 min read
Avoid Java 8‑to‑17 Upgrade Pitfalls: Compilation, Unified Logging, and GC Migration Guide
Yuanfudao Tech
Yuanfudao Tech
Nov 18, 2022 · Mobile Development

Migrating from Kotlin Android Extensions to Kace: A Seamless Migration Guide

This article explains why the Kotlin Android Extensions plugin is deprecated, outlines migration strategies for legacy code, introduces the open‑source Kace framework as a seamless replacement, and provides detailed setup, code generation, performance optimizations, and incremental compilation techniques for Android projects.

AndroidCompiler PluginGradle
0 likes · 15 min read
Migrating from Kotlin Android Extensions to Kace: A Seamless Migration Guide
Huolala Tech
Huolala Tech
Nov 10, 2022 · Frontend Development

Seamlessly Migrate Taro 2.x to 3.x with Babel AST Transformations

This article explains how to upgrade Taro 2.x projects to Taro 3.x by converting source code into an AST using Babel, programmatically editing imports, configs, routers, and styles, and then generating the updated code, complete with practical code examples and migration tips.

ASTBabelFrontend
0 likes · 14 min read
Seamlessly Migrate Taro 2.x to 3.x with Babel AST Transformations
vivo Internet Technology
vivo Internet Technology
Oct 26, 2022 · Frontend Development

Migrating WePY Mini‑Program to UniApp: Compiler Design and Implementation

The Vivo front‑end team built a custom compiler that automatically transforms WePY mini‑program files—including templates, scripts, components, and pages—into UniApp Vue code, cutting the estimated 25‑person‑day migration to seconds, delivering a bug‑free launch and paving the way for open‑sourcing the tool.

BabelCompilerFrontend
0 likes · 32 min read
Migrating WePY Mini‑Program to UniApp: Compiler Design and Implementation
Taobao Frontend Technology
Taobao Frontend Technology
Oct 13, 2022 · Cloud Computing

How FaaS Transformed Frontend Development at Alibaba’s Taobao

Since 2019, Alibaba’s Big Taobao team has pioneered FaaS adoption across multiple business scenarios, sharing why, what, and how they migrated front‑end‑centric data‑assembly logic to serverless functions, detailing architectural changes, benefits, migration strategies, stability measures, and low‑code tooling insights.

FaaSMigrationfrontend development
0 likes · 13 min read
How FaaS Transformed Frontend Development at Alibaba’s Taobao
Java Architecture Diary
Java Architecture Diary
Oct 11, 2022 · Backend Development

What’s New in Spring 6? Key Changes for Jakarta EE Migration and Web Development

Spring 6 introduces major updates such as moving JSR‑330 and JSR‑250 annotations to Jakarta packages, deprecating ListenableFuture, requiring Hibernate 5.6.x with jakarta.persistence, updating servlet containers, altering controller detection, converting HttpMethod to a class, and adjusting Kotlin and RestTemplate APIs.

Jakarta EEMigrationWeb Development
0 likes · 4 min read
What’s New in Spring 6? Key Changes for Jakarta EE Migration and Web Development
Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Oct 9, 2022 · Frontend Development

10 Real‑World Vue 3 Migration Scenarios Every Developer Should Master

This article walks through ten common Vue 3 migration scenarios—parent‑child data flow, two‑way binding, router navigation, context access, slots, component caching, logic reuse, lifecycle hooks, global APIs, and TypeScript integration—providing clear explanations and complete code examples for each case.

Composition APIFrontendMigration
0 likes · 16 min read
10 Real‑World Vue 3 Migration Scenarios Every Developer Should Master