OR1 instances are now available for existing Amazon OpenSearch Service domains, providing up to 30% price-performance improvement over existing instances, and using Amazon S3 for 11 9s of durability while allowing seamless migration for domains running OpenSearch 2.15 and above.

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<p>This article announces the availability of OR1 instances for existing Amazon OpenSearch Service domains. OR1 instances provide up to 30% better price-performance compared to existing instances and use Amazon S3 for 11 9s of durability.</p>
<p>Specifically, the article covers:</p>
<ul>
<li>OR1 instances can be used by updating the configuration of existing domains running OpenSearch 2.15 or later</li>
<li>OR1 instances offer pay-as-you-go and reserved instance pricing models</li>
<li>OR1 instances are available across 17 AWS regions globally</li>
<li>New domains can use OR1 instances with OpenSearch 2.11 and above</li>
<li>Pricing and region availability details are provided</li>
</ul>
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OR1 instances now available for existing Amazon OpenSearch Service domains

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