Elasticsearch::XPack is a Ruby integration for the X-Pack extension for Elasticsearch. X-Pack is an Elastic Stack extension that bundles security, alerting, monitoring, reporting, and graph capabilities into one easy-to-install package. While the X-Pack components are designed to work together seamlessly, you can easily enable or disable the features you want to use. WWW: https://github.com/elastic/elasticsearch-ruby/tree/master/elasticsearch-xpack