X-Pack provides cluster functionalities that allows to control and monitor your nodes and cluster. This is a very useful component of X-Pack as it is the lifesaver on large installations.
You need an up-and-running Elasticsearch installation as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.
You also need a functional Kibana installation as described in the Installing Kibana and X-Pack recipe.
Monitor plugin (X-Pack) must be installed in every Elasticsearch node of the cluster, to be able to correctly collect the data metrics.
To use X-Pack Elasticsearch monitor, we will perform the following steps: