Adding nodes to a cluster

Generally, the purpose of adding nodes is either to support a higher request load or to add capacity for a growing dataset.

In the Qbox dashboard, you can add or remove nodes by accessing the management page for a specific cluster. When adding a node, you can expect 1-2 minutes of downtime for clusters with less than 3 nodes. With a full production setup having 3 or more nodes, downtime is quite minimal or imperceptible—because the larger number of load increases the efficiency of the migration.

Elasticsearch Reference: Scale Horizontally


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