AWS – Amazon Elasticsearch Service now supports three Availability Zone deployments in EU(Stockholm), Asia Pacifiic (Seoul), and South America (Sao Paulo)

Amazon Elasticsearch Service now enables you to deploy your instances across three Availability Zones (AZs) providing better availability for your domains. If you enable replicas for your Elasticsearch indices, Amazon Elasticsearch Service distributes the primary and replica shards across nodes in different AZs to maximize availability. 

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