Elastiknn

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

Documentation

Comprehensive documentation is hosted at elastiknn.com

Support

• For questions, ideas, feature requests, and other discussion, start a Github discussion.
• For obvious bugs, post a Github issue.

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 Release Build

Releases

Artifact	Release	Snapshot	Downloads
Elasticsearch plugin zip file
Python HTTP client for Elastiknn
Java library w/ exact and approximate vector similarity models
Java library w/ Lucene queries and constructs used in Elastiknn
Scala case classes and circe codecs for the Elastiknn JSON API
Scala HTTP client for Elastiknn, based on elastic4s

Sponsors

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.