政采云技术

Jul 14, 2022 · Operations

Diagnosing and Optimizing Elasticsearch IO Bottlenecks for Billion-Scale Product Catalogs

Facing severe IO-wait and read bottlenecks as product data grew from tens of millions to billions, this article analyzes root causes in Elasticsearch clusters and presents a comprehensive solution involving index parameter tuning, merge settings, translog async writes, query optimizations, and hardware upgrades to restore performance and stability.