Internet Backend Architecture Stack

Oct 10, 2026 · Backend Development

Elasticsearch for E-Commerce: Index Design, Deep Pagination, Split-Brain & Data Sync

This article distills production-hardened Elasticsearch patterns from a billion-item e-commerce search system, covering index mapping pitfalls, IK analyzer tuning, search_after pagination, split-brain prevention, hot-warm-cold ILM tiering, dual-path MySQL-ES sync via Canal and MQ, and a 7-point architecture review checklist.