![]() ![]() Performs all data-related operations (indexing, searching, aggregating) on local shards. In this case, you have to mark all the other nodes as not master-eligible. The way to achieve a dedicated node type is to mark all other node types as false. Two nodes will be idle for most of the time except when one node goes down or needs some maintenance.Įlects one node among them as the master node through a voting process.įor production clusters, make sure you have dedicated master nodes. This configuration ensures your cluster never loses quorum. Three dedicated master nodes in three different zones is the right approach for almost all production use cases. This includes creating and deleting indices, keeping track of the nodes that join and leave the cluster, checking the health of each node in the cluster (by running ping requests), and allocating shards to nodes. Manages the overall operation of a cluster and keeps track of the cluster state. ![]()
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