Amazon OpenSearch Service

OpenSearch (https://opensearch.org/) is an open source search engine forked from Elasticsearch 7.10.2. It also contains a visualization dashboard component that is forked from Kibana 7.10.2. OpenSearch has a distributed architecture where documents are collected in an index; these indices are divided into shards. Multiple nodes are present in an OpenSearch domain, where shards are replicated across nodes for high availability. In that sense, a lot of configuration, setup, and operational overhead is needed to set up a self-managed OpenSearch platform.

To alleviate the infrastructure setup pain, AWS provides a managed service that makes it easy to deploy, operate, and scale OpenSearch clusters. Amazon OpenSearch Service can either be created in provisioned mode, where users get to select the type and number of nodes to leverage in a cluster, or it can be in serverless mode, where there is no sizing to be done. Provisioned mode is suitable for steady and...