AI Writes Code Faster Than Uber Can Merge It - Preetam Dwivedi & Manjari Akella, Uber
Uber's platform team explains how it recovered merge throughput by moving some validation from before to after landing.
📌 One-Sentence Summary AI 生成的变更推高了合并压力,Uber 通过减少合并前的串行验证、增加合并后的检查,把等待时间降了下来。 📝 Summary 合并请求从每小时约 90 次增到 130 次时,Uber 的 P95 合并时间从 30 分钟拉长到三四小时。团队先用准入限制和延期队列调节负载,再按依赖重叠程度放宽较弱的冲突,让更多变更并行。Stovepipe 在合并后检查主
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Uber's platform team explains how it recovered merge throughput by moving some validation from before to after landing.