Understanding nodes and clusters
Every instance of ElasticSearch is called a node. Several nodes are grouped in a cluster. This is the base of the cloud nature of ElasticSearch.
Getting ready
To better understand the following sections, some basic knowledge about the concepts of the application node and cluster are required.
How it works...
One or more ElasticSearch nodes can be set up on a physical or a virtual server depending on the available resources such as RAM, CPU, and disk space.
A default node allows you to store data in it to process requests and responses. (In Chapter 2, Downloading and Setting Up, we'll see details about how to set up different nodes and cluster topologies).
When a node is started, several actions take place during its ...
Get ElasticSearch Cookbook - Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
