予約済みのElasticsearchインスタンスを購入することができます。 詳細は次のリンクを参照してください。 https://docs.aws.amazon.com/ja_jp/cli/latest/reference/es/purchase-reserved-elasticsearch-instance-offering.html
aws es purchase-reserved-elasticsearch-instance-offering --reserved-elasticsearch-instance-offering-id 1a2a3a4a5-1a2a-3a4a-5a6a-1a2a3a4a5a6a --reservation-name my-reservation --instance-count 3 --region us-east-1 |
| Amazon Elasticsearch Service Reserved Instances - Amazon Elasticsearch Service : http://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/aes-ri.html |