Volcano Engine Developer Services

Jul 3, 2024 · Backend Development

How We Scaled a Billion‑Item Search Engine with Elasticsearch: From Zero to One

This article details the practical journey of building and scaling an Elasticsearch‑based search system that supports tens of millions to billions of items, covering architecture design, capacity planning, multi‑data‑center deployment, data synchronization via RocketMQ and Flink, and multi‑layer reconciliation to ensure consistency and high QPS.