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JD Tech
JD Tech
Jun 26, 2026 · Product Management

How JD Health’s OPC Team Built a Full‑Process Product Skill Framework

The article details JD Health’s OPC team’s adoption of Anthropic’s open‑source product‑management Skills to create a repeatable, evidence‑driven workflow that guides problem validation, requirement definition, roadmap planning, sprint execution, and post‑launch review without a dedicated product manager.

AI skillsAnthropicOPC
0 likes · 13 min read
How JD Health’s OPC Team Built a Full‑Process Product Skill Framework
JD Tech
JD Tech
Jun 25, 2026 · Artificial Intelligence

JD Donates Oxygen xLLM Large‑Model Inference Engine to OpenAtom Foundation to Boost Domestic AI Infra

JD donated its self‑developed Oxygen xLLM large‑model inference engine to the OpenAtom Open Source Foundation under Apache 2.0, highlighting its service‑engine decoupled architecture, heterogeneous‑chip support, proven performance gains in e‑commerce, power and public‑safety use cases, and a roadmap to become the domestic AI‑infra standard.

AI infrastructureLarge Model InferenceOpenAtom
0 likes · 9 min read
JD Donates Oxygen xLLM Large‑Model Inference Engine to OpenAtom Foundation to Boost Domestic AI Infra
JD Tech
JD Tech
Jun 5, 2026 · Artificial Intelligence

How JD’s Open‑Source JoyAI‑Echo Solves the Three Big Challenges of Long‑Form Video Generation

JD’s JoyAI‑Echo framework, released on June 3, tackles the three major hurdles of long‑form AI video—character inconsistency, unstable voice timbre, and slow generation—by introducing a cross‑modal memory bank, a memory‑driven training pipeline that speeds inference 7.5×, a conversational Director Agent for selective editing, and real‑time super‑resolution, achieving leading benchmark scores and open‑source availability.

AI video synthesisJoyAI-Echocross-modal memory
0 likes · 6 min read
How JD’s Open‑Source JoyAI‑Echo Solves the Three Big Challenges of Long‑Form Video Generation
JD Tech
JD Tech
May 27, 2026 · Databases

DongSQL V1.2.0: Dual Performance and Stability Gains for Retail Databases

DongSQL V1.2.0 introduces a suite of kernel upgrades—including group‑commit unicast, semi‑sync replication tweaks, plan‑cache, single‑point query enhancements, massive‑table fast startup, SIMD acceleration, hotspot‑row updates and high‑volume testing support—delivering significant performance and stability improvements across diverse retail workloads.

Database PerformanceDongSQLHigh‑Volume Testing
0 likes · 24 min read
DongSQL V1.2.0: Dual Performance and Stability Gains for Retail Databases
JD Tech
JD Tech
May 13, 2026 · Databases

Deep Dive into Using JSON Fields in Databases: Practical Lessons and Pitfalls

This article walks through the rationale, common functions, and real‑world case studies of storing and querying JSON columns in a relational database, exposing issues with null handling, batch updates, and dynamic SQL generation, and presents step‑by‑step debugging and robust solutions.

Batch UpdateDynamic QueriesJSON
0 likes · 11 min read
Deep Dive into Using JSON Fields in Databases: Practical Lessons and Pitfalls
JD Tech
JD Tech
May 8, 2026 · Databases

Engineering Wisdom Behind High‑Availability Architecture for E‑Commerce Storage Layers

The article analyzes how to design a high‑availability architecture for large‑scale e‑commerce systems, detailing layered risk isolation, stateful storage strategies for flow and state data, unified document‑ID routing, multi‑replica databases, multi‑datacenter synchronization, and real‑world JD case studies that demonstrate elastic scaling and disaster recovery.

Distributed ArchitectureE-commercedatabase replication
0 likes · 17 min read
Engineering Wisdom Behind High‑Availability Architecture for E‑Commerce Storage Layers
JD Tech
JD Tech
Apr 23, 2026 · Backend Development

How JD Upgraded Its B‑Side Order Storage Architecture to Tackle Elasticsearch High‑Concurrency Pressure

Facing explosive merchant growth and soaring order volumes, JD redesigned its B‑side POP order storage by isolating large tenants, applying double‑hash routing, expanding clusters, buffering updates, and automating data archiving, ultimately delivering a high‑performance, scalable Elasticsearch platform that sustains massive traffic spikes.

Data SkewElasticsearchOrder Management
0 likes · 16 min read
How JD Upgraded Its B‑Side Order Storage Architecture to Tackle Elasticsearch High‑Concurrency Pressure
JD Tech
JD Tech
Apr 21, 2026 · Backend Development

How AI Can Co‑Create a Query‑Logging Feature: Two Paths, One Result

A test‑developer explores how AI can design and implement a query‑recording function for an insurance policy platform, comparing a code‑savvy approach with a low‑code approach, detailing architecture, AOP interception, async handling, code generation, review, and testing considerations.

AIAOPArchitecture
0 likes · 17 min read
How AI Can Co‑Create a Query‑Logging Feature: Two Paths, One Result
JD Tech
JD Tech
Apr 16, 2026 · Industry Insights

How JD Revolutionized Coupon Search with a Stream‑Batch Unified Architecture

This article analyzes JD's end‑to‑end upgrade of its retail coupon search infrastructure, detailing the business drivers, data‑skew challenges, the shift from dual KV and batch pipelines to a unified stream‑batch model built on Apache Doris, and the resulting performance, resource and stability gains across multiple scenarios.

Apache DorisCoupon SearchPerformance optimization
0 likes · 12 min read
How JD Revolutionized Coupon Search with a Stream‑Batch Unified Architecture