Elasticsearch — resources
roadmap.sh: https://roadmap.sh/elasticsearch
Books
- Elasticsearch: The Definitive Guide (Clinton Gormley & Zachary Tong) — the classic conceptual intro to search, analysis, and distribution.
- Elasticsearch in Action (Madhusudhan Konda) — hands-on, modern coverage of the Query DSL and aggregations.
- Relevant Search (Doug Turnbull & John Berryman) — how to actually tune relevance and scoring in Lucene-based engines.
- Mastering Elasticsearch (Rafal Kuc & Marek Rogozinski) — deeper dive into internals, scaling, and cluster administration.
Courses / practice
- Elasticsearch official documentation — canonical reference for APIs, mappings, and the Query DSL.
- Elastic Search Labs & tutorials — official guided tutorials including vector / semantic search.
- Quickstart guide — official getting-started path for indexing and searching your first data.
- Query DSL reference — searchable docs for every query type with examples.