Data Lake for Enterprises

Nodes in Elasticsearch

A node is a server in an Elasticsearch cluster which can consist of one or more nodes (servers). A node in an Elasticsearch cluster is unique and assigned a UUID when the cluster is started by default but can also be given any unique name as needed. This name is an important aspect and is used for various administration purposes. A node joins by default to a cluster named Elasticsearch but can also be configured to join a particular cluster name if needed. Even if only one node is there in a cluster, Elasticsearch forms a cluster with this only node when started.

A universally unique identifier (UUID) is a 128-bit number used to identify information in computer systems. When generated according to the standard methods, ...