
Amazon OpenSearch Service deployments using Graviton2 instances with gp3 EBS volumes deliver approximately 10% cost savings and superior performance compared to traditional x86 instances with gp2 storage.


<div><p>This article demonstrates how to optimize Amazon OpenSearch Service costs and performance by migrating to Graviton2 instances and GP3 EBS volumes.</p><ul><li>Graviton2 instances offer 38-50% performance improvements over x86 alternatives</li><li>GP3 volumes cost ~10% less per GB than GP2 with better throughput consistency</li><li>Combined migration saves approximately 10% monthly ($768/month or $9,216/year)</li><li>Requires Elasticsearch 7.9+ or any OpenSearch version; cannot mix Graviton and non-Graviton instances</li><li>Blue/green deployment minimizes downtime during configuration changes</li><li>Migration involves updating instance types for data and master nodes via OpenSearch console</li></ul><p>Migrating to Graviton2 and GP3 provides significant cost savings with improved performance and minimal implementation effort.</p></div>


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