Author

JD Tech Talk

Official JD Tech public account delivering best practices and technology innovation.

398

Articles

Likes

2.6k

Views

Comments

Latest from JD Tech Talk

100 recent articles max

JD Tech Talk

Jul 27, 2025 · Artificial Intelligence

Evaluating JoyAgent‑JDGenie: A Lightweight Multi‑Agent AI Framework in Action

This article presents a thorough evaluation of the open‑source JoyAgent‑JDGenie multi‑agent AI framework, covering its background, test cases for restaurant recommendation and travel planning, deployment steps, performance metrics, and concluding recommendations, highlighting its efficiency, ease of deployment, and result quality.

AIEvaluationagents

0 likes · 8 min read

Evaluating JoyAgent‑JDGenie: A Lightweight Multi‑Agent AI Framework in Action

JD Tech Talk

Jul 25, 2025 · Databases

How to Seamlessly Migrate a Legacy MongoDB System to JimKV, MySQL, and ES

This article presents a comprehensive migration plan for a legacy MongoDB‑based system, detailing scope analysis, dual‑write implementation, data source selection, bulk and incremental migration strategies, and a three‑pronged online approach (monitoring, gray release, rollback) to ensure a smooth cut‑over without service disruption.

BackendDatabase MigrationJImKV

0 likes · 8 min read

How to Seamlessly Migrate a Legacy MongoDB System to JimKV, MySQL, and ES

JD Tech Talk

Jul 23, 2025 · Artificial Intelligence

Causal Inference + LLMs: Transforming E‑Commerce Pricing Strategies

This article describes how integrating causal inference with large language models and Retrieval‑Augmented Generation can automate and explain e‑commerce product pricing, detailing the three‑step workflow, reinforcement‑learning rewards, experimental results, and future directions for end‑to‑end RAG‑LLM training.

RAGcausal inferencee‑commerce pricing

0 likes · 15 min read

Causal Inference + LLMs: Transforming E‑Commerce Pricing Strategies

JD Tech Talk

Jul 21, 2025 · Backend Development

Mastering Spring Interceptors: How to Implement, Configure, and Optimize

Learn how Spring interceptors work, their relationship with WebApplicationContext, various types, configuration methods, execution flow, advanced features, and practical examples such as logging and authentication, plus a comparison with servlet filters and demo results.

Backend DevelopmentInterceptorJava

0 likes · 7 min read

Mastering Spring Interceptors: How to Implement, Configure, and Optimize

JD Tech Talk

Jul 16, 2025 · Databases

How JD Ads Cut Storage Costs 87% with Apache Doris Hot‑Cold Data Tiering

JD Advertising built a massive ad‑data warehouse on Apache Doris, reaching nearly 1 PB and 18 trillion rows, then implemented a hot‑cold data tiering strategy—first a lake‑based approach, later a native tiering solution in Doris 2.0—reducing storage costs by 87% and boosting query performance over tenfold.

Apache DorisData Storagecold-hot tiering

0 likes · 18 min read

How JD Ads Cut Storage Costs 87% with Apache Doris Hot‑Cold Data Tiering

JD Tech Talk

Jul 15, 2025 · Mobile Development

Unlocking 50% Faster JD Mini‑Programs on HarmonyOS with Cangjie

This article shares the JD developer’s experience at the 2025 Huawei Developer Conference, detailing how the Cangjie language and a dual‑thread architecture were used to analyze and optimize high‑frequency JS API calls in JD mini‑programs on HarmonyOS, achieving up to 50% faster execution and a 20% reduction in cold‑start time.

CangjieHarmonyOSJS Bridge

0 likes · 8 min read

Unlocking 50% Faster JD Mini‑Programs on HarmonyOS with Cangjie

JD Tech Talk

Jul 9, 2025 · Backend Development

Boost Java Backend Performance: Combine MyBatis-Plus LambdaQueryWrapper with Spring @Async

Learn how to leverage MyBatis-Plus’s type-safe LambdaQueryWrapper together with Spring Boot’s @Async annotation to build efficient, asynchronous database operations, covering basic usage, advanced thread-pool configuration, exception handling, transaction management, and real-world scenarios for backend developers.

Asynchronous ProgrammingLambdaQueryWrapperMyBatis-Plus

0 likes · 9 min read

Boost Java Backend Performance: Combine MyBatis-Plus LambdaQueryWrapper with Spring @Async

JD Tech Talk

Jul 8, 2025 · Artificial Intelligence

How AI Can Turn a Code Maze into a Knowledge Highway for New Developers

New developer Li Ming’s frustrating onboarding experience highlights hidden business rules, undocumented code, and poor knowledge transfer, prompting him to build an AI‑driven knowledge base that links code changes, requirements, and operational docs, ultimately streamlining troubleshooting, accelerating feature development, and improving knowledge retention across teams.

AIKnowledge ManagementLarge Language Model

0 likes · 18 min read

How AI Can Turn a Code Maze into a Knowledge Highway for New Developers

JD Tech Talk

Jul 4, 2025 · Artificial Intelligence

How AI‑Driven Virtual Try‑On Boosted Fashion Sales by 80%

This article details how JD.com’s AI-powered virtual try‑on system, integrated with the Jingmai A/B testing platform, transformed fashion e‑commerce by generating realistic model images and videos, reducing production costs to near zero, cutting design cycles from weeks to hours, and increasing conversion rates by over 80% during major sales events.

A/B testingAIAIGC

0 likes · 14 min read

How AI‑Driven Virtual Try‑On Boosted Fashion Sales by 80%

JD Tech Talk

Jul 3, 2025 · Mobile Development

How JD Boosted Mini‑Program Performance with Cangjie on HarmonyOS

This article details JD's collaboration with Huawei at the 2025 Developer Conference, showcasing how the Cangjie language was used to analyze and optimize high‑frequency JS API calls in HarmonyOS mini‑programs, resulting in significant reductions in main‑thread load, faster cold‑start times, and a roadmap for broader cross‑platform performance improvements.

CangjieCrossPlatformHarmonyOS

0 likes · 8 min read

How JD Boosted Mini‑Program Performance with Cangjie on HarmonyOS