Explain a node in Elastic Search.

1.	Explain a node in Elastic Search.
Answer» You can think of a NODE as a SINGLE server that forms part of your cluster. Nodes are assigned roles that describe their responsibilities and operations. By default, EVERY cluster node can handle HTTP and transport TRAFFIC. Communication between nodes is CARRIED out via the transport layer, while REST clients utilize the HTTP layer. Nodes in a cluster are aware of each other and can forward client requests to the right node.

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