Uber Eats Rebuilds Search Pipeline, Cuts Latency by 50%

Uber has rebuilt major parts of the Uber Eats search pipeline, reporting a 50% reduction in end-to-end search latency. Changes span retrieval, ranking, advertising, presentation and infrastructure, with a new metric measuring time to first rendered results screen.

• End-to-end Uber Eats search latency cut by 50%
• Above-the-Fold latency improved by over 200 ms
• Removing low-value retrieval strategies saved about 120 ms
• Advertising path latency reduced by roughly 130 ms