Segment Optimization

政采云技术

Feb 15, 2022 · Big Data

Performance Investigation and Optimization of an Elasticsearch Search Service

This article describes a performance bottleneck in a high‑traffic search service, details the investigation of hardware limits, long‑tail query impact, load‑testing methodology, and the subsequent optimizations—including SSD upgrade, data‑structure reduction, and Elasticsearch segment tuning—that reduced disk I/O and improved throughput.