AWS OpenSearch Deployment Best Practices

• 3 Dedicated Master Nodes

Offload cluster managment task like health checks and maintain routing and cluster state.

• Data Nodes deployed in multiples of 3

Store the data in shards and perform searches, query request, and CRUD operations.

• Deploy across 3AZs

Destribute the data nodes equally across 3 AZs for the hightest availability.

Reference

• ES: https://www.elastic.co/guide/en/elasticsearch/reference/8.5/elasticsearch-intro.html