status license

Open source, Apache-2.0

best use

High-volume lexical/vector search and dashboards

important boundary

Treat it as a disposable projection and verify deletion propagation

official source

OpenSearch

Official sources

• OpenSearch https://opensearch.org/

Catalogued at the 2026-09-01 research baseline. Verify the licence, free-tier limits, API schema and source terms again before deployment, and record a version-pinned registry entry for whatever you select.

Source: file 09 · 4-storage-search-and-analysis · line 51