Skip to content

Search Database Configuration

Configuration: Set via SEARCH_DB and SEARCH_DB_CONFIG environment variables

BM25 (Built-in)

Local file-based BM25 full-text search with TF-IDF ranking. No extra service required.

  • Dashboard: None (file-based)
SEARCH_DB=bm25
SEARCH_DB_CONFIG={"persist_dir": "./bm25_index"}

Elasticsearch

Enterprise search engine with advanced analyzers, faceted search, and real-time analytics.

  • Dashboard: Kibana (http://localhost:5601) for search analytics, index management, and query debugging
SEARCH_DB=elasticsearch
SEARCH_DB_CONFIG={"hosts": ["http://localhost:9200"], "index_name": "hybrid_search"}

OpenSearch

AWS-led open-source fork with native hybrid scoring (vector + BM25) and k-NN algorithms.

  • Dashboard: OpenSearch Dashboards (http://localhost:5601) for cluster monitoring and search pipeline management
SEARCH_DB=opensearch
SEARCH_DB_CONFIG={"hosts": ["http://localhost:9201"], "index_name": "hybrid_search"}

Disable Full-Text Search

To use vector search only:

SEARCH_DB=none

See Search Databases for more details.