This plugin sends ElasticSearch node metrics to Riemann in near real time (interval can be configured)
bin/plugin install https://github.com/searchly/elasticsearch-monitoring-riemann-plugin/releases/download/elasticsearch-riemann-plugin-2.2.2/elasticsearch-riemann-plugin-2.2.2.zip
metrics:
riemann:
every: 3s
host: "localhost"
tags: "production"