In Elasticsearch, the nodes are added to enhance the quality and reliability of the cluster. There can be of the master node to control the entire cluster and also a basic data node. In order to add a node follows the steps-

  • You have to set up a new Elasticsearch instance
  • Specify its name in the cluster.name attribute
  • Begin the Elasticsearch and node will be created

Note: This is one of the basic Elasticsearch interview questions but an important one.

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