[[AWS]]'s managed [[Elasticsearch]] service. ## Common questions ### Q: How do I know what size and number of instances to choose for a production cluster? #OpenQuestions Somewhat unsatisfactory answer in the official docs on [Sizing ES Domains](https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/sizing-domains.html): > No surefire method of sizing Amazon ES domains exists, but by starting with an understanding of your storage needs, the service, and Elasticsearch itself, you can make an educated initial estimate on your hardware needs Three different What are the usage metrics to consider for this decision? Assume max requests per second, what else? - A: TODO ### Q: How many instances should be included in a production ES cluster? At least 2, both in separate availability zones. --- tags: #AWS #AWSServices