Custom similarity Plugin
Implements a custom similarity plugin "artsy_similarity" to override the queryNorm of the default similarity modiule for Elasticsearch 5.6
Setup
brew install maven
Compile
mvn compile
Package
mvn package will create a .jar in target
mvn package assembly:single to create a .zip file for ES installation in ./target/releases
Install the plugin to ES
https://www.elastic.co/guide/en/elasticsearch/plugins/5.6/plugin-management-custom-url.html