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Xianyu Technology
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Xianyu Technology

Official account of the Xianyu technology team

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Xianyu Technology
Xianyu Technology
Aug 25, 2021 · Backend Development

Designing an Extensible User Identity and Benefits System: Xianyu App Case Study

The article presents a case study of Xianyu’s extensible user identity and benefits system, explaining how tiered identities grant differentiated product permissions and signal user influence, while detailing an authentication service with three extension points for condition judgment, validation, and audit handling, enabling flexible integration and unified state management.

Xianyuauthentication servicebackend development
0 likes · 7 min read
Designing an Extensible User Identity and Benefits System: Xianyu App Case Study
Xianyu Technology
Xianyu Technology
Aug 19, 2021 · Backend Development

Architecture of a Community Advertising Placement System

The article describes a three‑layer community advertising placement system for Xianyu, detailing its four core processes (recruitment, selection, construction, delivery), resource slots, material templates, task definition, data storage, real‑time monitoring, and successful case studies, while outlining future algorithmic enhancements.

Advertisingdata-drivenreal-time
0 likes · 11 min read
Architecture of a Community Advertising Placement System
Xianyu Technology
Xianyu Technology
Aug 17, 2021 · R&D Management

Agile Transformation and OKR Practices at Xianyu: PMO Insights

Guo Xinyi shares how Xianyu’s PMO transformed its project‑management through evolving agile squads, data‑driven OKR‑Scrum‑DevOps integration, and technical branding such as Flutter, establishing feedback loops and metrics that lifted delivery efficiency into the top‑30 % of peer teams while avoiding superficial OKR use.

OKRPMOTransformation
0 likes · 11 min read
Agile Transformation and OKR Practices at Xianyu: PMO Insights
Xianyu Technology
Xianyu Technology
Aug 12, 2021 · Frontend Development

Automatic Front-end Disaster Recovery Solution Overview

The automatic front‑end disaster‑recovery solution packages an npm tool and visual backend that generates on‑demand API fallback data, uses a whitelist and static parameters to target backups, syncs results to developers, and after deployment raised coverage from ~30% to ~70%, automating 80% of backups.

automationdata backupdisaster recovery
0 likes · 6 min read
Automatic Front-end Disaster Recovery Solution Overview
Xianyu Technology
Xianyu Technology
Aug 10, 2021 · Product Management

Design of Full-Traffic AB Experiments for Seller Growth on Xianyu

The article describes a full‑traffic A/B testing framework for Xianyu that hashes seller IDs to create exclusive experiment and control groups, ensuring each seller sees only one strategy, and demonstrates that a chat‑incentive for new or churned sellers boosted chat exposure by 22 % and modestly improved overall buyer‑seller metrics without harming transaction efficiency.

AB testingData Analysise-commerce
0 likes · 9 min read
Design of Full-Traffic AB Experiments for Seller Growth on Xianyu
Xianyu Technology
Xianyu Technology
Aug 5, 2021 · Backend Development

Applying SWAK Framework in Xianyu Search: Architecture and Implementation

The article explains how Xianyu’s search service refactors tightly‑coupled, if‑else‑heavy code by applying the lightweight SWAK framework—defining @SwakInterface and @SwakTag annotations, registering proxy beans, using AOP and CGLIB proxies to route business logic via request‑derived tag groups, achieving clean, modular routing.

AOPDynamicProxyJava
0 likes · 13 min read
Applying SWAK Framework in Xianyu Search: Architecture and Implementation
Xianyu Technology
Xianyu Technology
Aug 4, 2021 · Artificial Intelligence

Design and Impact of a Chat Assistant for E‑commerce Negotiation and Greeting

The study presents an asynchronous chat‑assistant for second‑hand e‑commerce that uses intent recognition, price‑strength data, and filtered messaging to generate friendly bargaining and greeting scripts, achieving a 4 % rise in reply and conversion rates, and outlines plans to add more intents and richer product extraction.

ChatbotIntent Recognitionconversation AI
0 likes · 8 min read
Design and Impact of a Chat Assistant for E‑commerce Negotiation and Greeting
Xianyu Technology
Xianyu Technology
Jul 29, 2021 · Mobile Development

How Xianyu Tackles Android ANR: Monitoring, Diagnosis, and Optimization Strategies

This article explains how Xianyu identifies, monitors, and resolves Android ANR issues by analyzing root causes, implementing SIGQUIT‑based detection, inspecting thread stacks, and applying concrete optimizations such as SharedPreferences replacement, network broadcast caching, and delayed component registration, ultimately cutting ANR rates by more than half.

ANRAndroidMonitoring
0 likes · 11 min read
How Xianyu Tackles Android ANR: Monitoring, Diagnosis, and Optimization Strategies
Xianyu Technology
Xianyu Technology
Jul 27, 2021 · Mobile Development

Chaplin Project: Template‑Based Dynamic Image‑to‑Video Rendering

Chaplin Project replaces costly image‑to‑video synthesis on Xianyu by using centrally managed, OpenGL‑shader templates that combine product images with dynamic effects at playback, supported by a visual editor, resource platform, recommendation engine, and multi‑threaded client architecture, delivering richer browsing while conserving resources.

OpenGLUGCVideo Rendering
0 likes · 9 min read
Chaplin Project: Template‑Based Dynamic Image‑to‑Video Rendering