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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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Latest from Qunar Tech Salon

100 recent articles max

Qunar Tech Salon

Sep 28, 2023 · Operations

Automated Root Cause Analysis for Flight Ticket Transaction Interception at Qunar: Design, Algorithm, and Performance Optimizations

This article describes how Qunar implemented an automated root‑cause analysis system for flight‑ticket transaction interception, detailing the problem background, system research, a custom algorithm focusing on explanatory power, performance optimizations that reduced analysis time from five minutes to under ten seconds, and the resulting operational improvements.

Algorithmoperationsroot-cause analysis

0 likes · 13 min read

Automated Root Cause Analysis for Flight Ticket Transaction Interception at Qunar: Design, Algorithm, and Performance Optimizations

Qunar Tech Salon

Sep 14, 2023 · Frontend Development

Micro‑Module Framework for Frontend Code Reuse and Efficient Deployment

This article describes the design, implementation, and benefits of a low‑intrusion micro‑module framework that enables cross‑stack code reuse, dynamic loading, fast deployment, and robust monitoring for large‑scale front‑end applications, while addressing challenges such as React version compatibility and incremental packaging.

ReActcode reusefrontend

0 likes · 18 min read

Micro‑Module Framework for Frontend Code Reuse and Efficient Deployment

Qunar Tech Salon

Aug 25, 2023 · Big Data

Customer Data Platform (CDP) at Qunar Travel: Architecture, Construction Practices, and Business Value

This article presents a comprehensive case study of Qunar Travel's Customer Data Platform (CDP), detailing its business background, operational pain points, architectural design, tag production and quality processes, real‑time labeling, crowd selection techniques, deployment safeguards, measurable business impact, and future development directions.

CDPCustomer DataQunar Travel

0 likes · 20 min read

Customer Data Platform (CDP) at Qunar Travel: Architecture, Construction Practices, and Business Value

Qunar Tech Salon

Aug 15, 2023 · Operations

Full-Process Automated Testing Platform for Airline Ticket System: Design, Implementation, and Operations

This article describes the design, implementation, and operational management of a full‑process automated testing platform for airline ticket systems, covering background analysis, goals, measurement metrics, platform architecture, case handling, result verification, quality gates, and future improvement plans to enhance system stability and quality.

Process AutomationQAautomated testing

0 likes · 13 min read

Full-Process Automated Testing Platform for Airline Ticket System: Design, Implementation, and Operations

Qunar Tech Salon

Aug 3, 2023 · Big Data

Optimizing Hotel List Page Data Warehouse Flow at Qunar.com: A Technical Case Study

This article presents a comprehensive case study of how Qunar.com’s hotel data warehouse team identified performance bottlenecks in the L‑page traffic table, applied a series of "split, lift, parallel, delay" strategies, and achieved significant reductions in processing time, storage usage, and query latency.

ETLdata warehouse

0 likes · 21 min read

Optimizing Hotel List Page Data Warehouse Flow at Qunar.com: A Technical Case Study

Qunar Tech Salon

Jul 27, 2023 · Mobile Development

Implementing iOS Live Activities for Real‑Time Travel Information in Qunar

This article explains how Qunar integrated iOS 16 Live Activities to display real‑time travel updates on the lock screen and Dynamic Island, covering background, feature comparison, requirements, system design, Swift implementation, push‑based updates, debugging tips, and lessons learned.

ActivityKitLive ActivitiesSwift

0 likes · 17 min read

Implementing iOS Live Activities for Real‑Time Travel Information in Qunar

Qunar Tech Salon

Jul 18, 2023 · Operations

Evolution and Practices of Qunar's Noah Environment Platform for Automated Test Environments

The article details how Qunar's Noah environment platform evolved through three stages—automatic environment definition, cost‑effective build optimization, and developer‑centric efficiency improvements—to automate test environment provisioning, reduce resource consumption, and achieve high build success rates across thousands of micro‑service applications.

Cloud NativeInfrastructure as CodeResource Orchestration

0 likes · 15 min read

Evolution and Practices of Qunar's Noah Environment Platform for Automated Test Environments

Qunar Tech Salon

Jul 12, 2023 · Operations

Design and Implementation of Qunar's Root Cause Analysis System for Microservice Fault Diagnosis

This article describes Qunar's comprehensive root cause analysis platform, detailing its background, data-driven fault categorization, architecture—including trace, runtime, middleware, and event analysis modules—and demonstrates its high accuracy and practical impact on reducing incident resolution times across microservice services.

DevOpsObservabilitymicroservices

0 likes · 20 min read

Design and Implementation of Qunar's Root Cause Analysis System for Microservice Fault Diagnosis

Qunar Tech Salon

Jul 5, 2023 · Mobile Development

Long‑Term Client Crash Governance Mechanism at Qunar: Architecture, Detection, and Resolution Strategies

This article describes Qunar's systematic client crash governance framework, covering background challenges, APM‑based fast problem discovery, multi‑level alerting, common‑issue remediation, code‑level fixes for URL and Bundle size crashes, detection tools, code checks, automated testing, and the measurable improvements achieved in Android and iOS stability.

APMAndroidCrash Monitoring

0 likes · 19 min read

Long‑Term Client Crash Governance Mechanism at Qunar: Architecture, Detection, and Resolution Strategies

Qunar Tech Salon

Jun 27, 2023 · Backend Development

Refactoring the Supplier‑Product‑Adapter (SPA) System Using DDD and Spring WebFlux

This article presents a comprehensive case study of the SPA system used by Qunar, detailing its business and technical complexity, the adoption of Domain‑Driven Design and an adapter‑based architecture, the migration to Spring WebFlux for reactive asynchronous processing, and the measurable improvements achieved after refactoring.

DDDJavaReactive Programming

0 likes · 21 min read

Refactoring the Supplier‑Product‑Adapter (SPA) System Using DDD and Spring WebFlux