X-Pack provides cluster functionalities that allow you 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. The X-Pack is not needed.
To use X-Pack Elasticsearch monitor, we will perform the following steps:
The Kibana console is very similar to the Cerebro interface that we have previously seen.
It allows us to execute every kind of REST API call via the http interface to Elasticsearch. It can be used for several purposes such as follows:
The Kibana Dev Tools also provides support to drill down the times needed to execute a particular query via the Profiler section. As the execution of a query with some aggregation can be very complex and can take a lot of time to profile the query, this is the most advanced interface available in Elasticsearch to profile query execution. It's available in the open source part of Kibana as shown in the following screenshot:
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