http://vespa.ai/

https://github.com/vespa-engine
https://github.com/vespa-engine/vespa
https://github.com/vespa-engine/documentation

https://github.com/vespa-engine/docker-image
https://hub.docker.com/r/vespaengine/vespa/

articles:
http://opensourceconnections.com/blog/2017/10/06/vespa-vs-lucene-initial-impressions/