Amazon OpenSearch Service now supports latest generation storage optimized instances i4g and i4i. These instances have AWS Nitro SSD storage offering high I/O performance, low latency, and security with always-on encryption.
I4g instances deliver the best compute price performance for a storage-optimized instance versus comparable x86-based storage optimized instances, and the best storage performance per TB for a Graviton-based storage instance. I4g instances support all OpenSearch versions & Elasticsearch (open source) versions 7.9 and 7.10. I4i instances offer a new size of 128 vCPUs & 1,024 GiB of memory, which is twice the size of largest i3 instance. To know more, for i4g see blog and for i4i, see blog.
Amazon OpenSearch Service supports i4g instances in following AWS Regions : US East (N. Virginia), US East (Ohio), US West (Oregon), Canada (Central), Europe (Ireland) & Asia Pacific (Singapore). i4i instances are supported in US East (N. Virginia), US East (Ohio), US West (Oregon), US West (N. California), Canada (Central), Canada West (Calgary), South America (Sao Paulo), Europe (Stockholm), Europe (Ireland), Europe (London), Europe (Milan), Europe (Frankfurt), Europe (Paris), Europe (Zurich), Africa (Cape Town), Middle East (UAE), Middle East (Bahrain), Israel (Tel Aviv), Asia Pacific (Jakarta), Asia Pacific (Mumbai), Asia Pacific (Hong Kong), Asia Pacific (Hyderabad), Asia Pacific (Seoul), Asia Pacific (Osaka), Asia Pacific (Melbourne), Asia Pacific (Tokyo), Asia Pacific (Singapore), Asia Pacific (Sydney), Asia Pacific (Malaysia), AWS GovCloud (US-East), AWS GovCloud (US-West).
For region specific availability & pricing, visit our pricing page & for Amazon OpenSearch Service, please visit the product page.
Source:: Amazon AWS