Index Sorting

DeWu Technology

May 8, 2023 · Databases

Optimizing Elasticsearch Search Performance with Index Sorting

By defining index sorting on the publish_time field when creating the Elasticsearch index, the team transformed a multi‑second full‑scan query into a sub‑50 ms operation, demonstrating that pre‑ordered storage dramatically speeds up large‑result‑set sorts while modestly affecting write throughput.