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Qunar Tech Salon
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Qunar Tech Salon

Qunar Tech Salon is a learning and exchange platform for Qunar engineers and industry peers. We share cutting-edge technology trends and topics, providing a free platform for mid-to-senior technical professionals to exchange and learn.

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Recent Articles

Latest from Qunar Tech Salon

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Qunar Tech Salon
Qunar Tech Salon
Nov 29, 2022 · Cloud Native

Qunar’s Experience Replacing Prometheus with VictoriaMetrics for Cloud‑Native Container Monitoring

This article details Qunar’s migration from a traditional Prometheus‑based monitoring stack to VictoriaMetrics, describing the challenges of large‑scale container metrics collection, the architectural redesign using VM‑Cluster, vmagent, and vmalert, and the performance improvements achieved after full replacement.

KubernetesPrometheusTime Series Database
0 likes · 14 min read
Qunar’s Experience Replacing Prometheus with VictoriaMetrics for Cloud‑Native Container Monitoring
Qunar Tech Salon
Qunar Tech Salon
Nov 18, 2022 · Cloud Computing

Optimizing Qunar's Serverless Platform: Parallel Computation, Thread‑Pool Design, and Cache Governance

This article details how Qunar improved its Serverless FAAS platform by introducing Node.js worker_threads for parallel computation, designing a thread‑pool with shared buffers and postMessage communication, and implementing comprehensive cache pre‑heating and governance, resulting in a 72% reduction in P99 latency and more stable service performance.

CachingCloud FunctionsNode.js
0 likes · 18 min read
Optimizing Qunar's Serverless Platform: Parallel Computation, Thread‑Pool Design, and Cache Governance
Qunar Tech Salon
Qunar Tech Salon
Nov 16, 2022 · Mobile Development

Cross‑Platform Rendering of Qunar Low‑Code Platform on React Native: Architecture, Code Transformation, and Runtime Integration

This article presents a technical case study of Qunar's low‑code platform, detailing the current cross‑platform rendering challenges, the feasibility analysis of replacing H5 with React Native, the design of a Babel‑based code transformer, runtime integration, performance results, and future plans.

BabelCross-platformReact Native
0 likes · 13 min read
Cross‑Platform Rendering of Qunar Low‑Code Platform on React Native: Architecture, Code Transformation, and Runtime Integration
Qunar Tech Salon
Qunar Tech Salon
Nov 11, 2022 · Cloud Computing

Design and Implementation of the Seras Serverless BFF/FAAS Platform for Front‑End Efficiency

This article describes the background, design decisions, architecture, core concepts (Serverless, BFF, FAAS), implementation details, performance results, and future plans of the internally built Seras platform that enables front‑end teams to write cloud functions without managing servers, improving code reuse, traceability, and deployment speed.

ArchitectureBFFBackend
0 likes · 13 min read
Design and Implementation of the Seras Serverless BFF/FAAS Platform for Front‑End Efficiency
Qunar Tech Salon
Qunar Tech Salon
Nov 2, 2022 · Databases

Design of a Next‑Generation Qunar Database Automation Platform: Architecture, Communication Protocol, and Security

This article describes the layered architecture of Qunar's next‑generation database automation platform, outlines the design goals for secure Agent/Plugin‑Server communication, compares communication and encryption methods, and details the authentication and request flow using symmetric encryption and token‑based security.

Agent-Server CommunicationDatabase AutomationGo
0 likes · 9 min read
Design of a Next‑Generation Qunar Database Automation Platform: Architecture, Communication Protocol, and Security
Qunar Tech Salon
Qunar Tech Salon
Sep 28, 2022 · Backend Development

Domain-Driven Design (DDD) Practice in Hotel Data System Refactoring at Qunar

This article presents a comprehensive case study of how Qunar's hotel supply‑chain team applied Domain‑Driven Design to restructure a decade‑old, highly coupled hotel information system, detailing the problem analysis, DDD rationale, evolutionary transformation process, architectural principles, implementation results, and lessons learned.

DDDdomain-driven designevolutionary architecture
0 likes · 21 min read
Domain-Driven Design (DDD) Practice in Hotel Data System Refactoring at Qunar
Qunar Tech Salon
Qunar Tech Salon
Sep 27, 2022 · Cloud Native

Evolution of Enterprise Technical Architecture and Cloud‑Native Adoption: A Ziroom Case Study

This chapter traces the evolution of enterprise technical architecture from monolithic to distributed, microservice, and middle‑platform models, illustrates Ziroom's ten‑year journey toward cloud‑native and DevOps practices, and analyzes the stability, efficiency, and process challenges encountered along the way.

case studycloud-nativeenterprise
0 likes · 26 min read
Evolution of Enterprise Technical Architecture and Cloud‑Native Adoption: A Ziroom Case Study
Qunar Tech Salon
Qunar Tech Salon
Sep 7, 2022 · Frontend Development

TARS UI Automation System: Metrics, Challenges, and Automated Case Recording Solutions

The article presents the TARS UI automation platform, analyzes its core performance indicators and the problems uncovered, and details a comprehensive redesign that introduces automatic case recording, tag generation, data mocking, smart assertions, and an upgraded cloud‑based testing infrastructure to improve coverage, accuracy, and efficiency for mobile app releases.

Case RecordingTarsUI automation
0 likes · 18 min read
TARS UI Automation System: Metrics, Challenges, and Automated Case Recording Solutions
Qunar Tech Salon
Qunar Tech Salon
Aug 30, 2022 · Backend Development

Qunar Travel Microservice Architecture Practice

This article presents a comprehensive overview of Qunar Travel's microservice architecture, covering background motivations, best‑practice service discovery and communication patterns, development efficiency improvements, governance techniques, and ServiceMesh experiments, all illustrated with real‑world data and diagrams.

DevOpscloud-nativemicroservices
0 likes · 30 min read
Qunar Travel Microservice Architecture Practice