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Nov 8, 2023 · Backend Development

How Qunar Cut Half Its Codebase: A Practical Guide to Service and Code Slimming

This article details Qunar's systematic approach to reducing service complexity and code volume by half, covering background challenges, two‑phase planning, criteria for merging or deleting services, tooling such as Serviceability Agent for method‑level analysis, automated and semi‑automated deletion workflows, verification steps, and the measurable performance gains achieved.