Uber Eats Rebuilds Search Pipeline to Cut End-to-End Latency by 50%

Leela Kumili — Fri, 02 Oct 2026 14:22:00 GMT

Uber has rebuilt major parts of the Uber Eats search pipeline, reporting a 50% reduction in end-to-end latency. Changes include Above-the-Fold measurement, reduced retrieval work, parallel hydration, advertising data redesign, infrastructure optimizations, and an agentic coding workflow. Uber is also exploring microbatching, product-based retrieval, and HTTP multipart streaming.

By Leela Kumili

Beyond Kubernetes at Modal: How to Scale 1 Million Concurrent Sandboxes in Seconds

Sergio De Simone — Wed, 23 Sep 2026 14:00:00 GMT

In a recent article, Colin Weld and Connor Adams, staff engineers at Modal, describe how they rebuilt their sandbox infrastructure from the ground up to support millions of concurrent sandboxes and tens of thousands of sandbox creations per second.

By Sergio De Simone

InfoQ - Performance & Scalability

Uber Eats Rebuilds Search Pipeline to Cut End-to-End Latency by 50%

Beyond Kubernetes at Modal: How to Scale 1 Million Concurrent Sandboxes in Seconds