Elasticsearch plugin and Lucene library for nearest neighbor search. Store vectors and run similarity search using exact and approximate algorithms.

Elastiknn

Elasticsearch plugin for similarity search on dense floating point and sparse boolean vectors.

Documentation

Comprehensive documentation is hosted at elastiknn.com

Support

Contributing

To contribute to Elastiknn, please see developer-guide.md.

Users

Are you using Elastiknn? If so, please consider submitting a pull request to list your organization below.

  • Apache Jackrabbit: Uses Elastiknn for image similarity search
  • rep0st: Uses Elastiknn for reverse image lookups in a set of millions of images
  • Orlo: Uses Elastiknn for indexing deep text understanding in text to provide interesting insights

Builds

Build Status
Github CI Builds Github CI Status
Github Release Build Github Release Status

Releases

Artifact Release Snapshot Downloads
Elasticsearch plugin zip file Plugin Release Plugin Snapshot Badge-Plugin-Downloads
Python HTTP client for Elastiknn Python Release Badge-Python-Downloads

Sponsors

Yourkit

YourKit supports open source projects with innovative and intelligent tools for monitoring and profiling Java and .NET applications. YourKit is the creator of YourKit Java Profiler, YourKit .NET Profiler, and YourKit YouMonitor.