How to Set Up CirrusSearch (Elasticsearch) for MediaWiki: Installation, Configuration, and Performance Tuning
Overview
CirrusSearch replaces MediaWiki’s built‑in MySQL search with a fast, full‑text engine powered by Elasticsearch. The guide walks through the required software, extension installation, basic configuration, index creation and a few tuning tips that keep a medium‑size wiki responsive.
Prerequisites
* MediaWiki ≥ 1.39 (the guide targets