DataFunSummit

Mar 3, 2026 · Backend Development

How Ant Group Supercharged AI Data Pipelines with Ray: Boosting Index Build Speed and Reliability

This article details Ant Group's use of the Ray distributed computing framework to accelerate massive data indexing, migrate a C++ engine to Ray, implement elastic resource scheduling, improve long‑tail task efficiency, and build a robust RAG operator system with comprehensive governance, achieving up to 2× speed gains and 99.9% success rates.