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Qunar Tech Salon
Qunar Tech Salon
Dec 12, 2023 · Backend Development

System Slimming at Qunar Travel: Reducing Code and Service Footprint by 50% Using Observability and Automation

This article presents Qunar Travel's "system slimming" project, describing how observability techniques, a two‑stage strategy, and automated tooling were used to identify and remove unused services and code, achieving a 50% reduction in code size, a 26% cut in services, and measurable improvements in reliability and release efficiency.

Javaautomationbackend optimization
0 likes · 20 min read
System Slimming at Qunar Travel: Reducing Code and Service Footprint by 50% Using Observability and Automation
Qunar Tech Salon
Qunar Tech Salon
Apr 28, 2023 · Backend Development

System Slimming Practices at Qunar: Service and Code Reduction Strategies

This article presents Qunar's comprehensive system slimming initiative, detailing the background of growing code bloat, the challenges of reducing millions of lines across thousands of services, the two‑phase plan for service and code pruning, the use of SA and other tooling to identify and safely delete unused resources, and the measurable outcomes such as nearly 50% code reduction, improved development speed, and future directions for further optimization.

Service Optimizationbackend engineeringcloud-native
0 likes · 20 min read
System Slimming Practices at Qunar: Service and Code Reduction Strategies