> For the complete documentation index, see [llms.txt](https://mamawhocode.gitbook.io/aws/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mamawhocode.gitbook.io/aws/services/analytics/opensearch.md).

# OpenSearch

Deploy, operate, and scale OpenSearch clusters in the AWS

[Migrating to OpenSearch](https://docs.aws.amazon.com/opensearch-service/latest/developerguide/migration.html) | [Creating a search app](https://docs.aws.amazon.com/opensearch-service/latest/developerguide/search-example.html) |

## Overview

* Deploy, operate, and scale OpenSearch clusters in the AWS.
* Search, analyze, and visualize your data in *<mark style="color:red;">real-time</mark>*.&#x20;

<figure><img src="https://docs.aws.amazon.com/images/opensearch-service/latest/developerguide/images/whatis.png" alt=""><figcaption><p>OpenSearch service</p></figcaption></figure>

To get started using OpenSearch Service, you create an OpenSearch Service *domain*, which is equivalent to an OpenSearch *cluster*. Each EC2 instance in the cluster acts as one OpenSearch Service node.

## Features

### OpenSearch Serverless <a href="#whatis-serverless" id="whatis-serverless"></a>

### OpenSearch Ingestion <a href="#whatis-osis" id="whatis-osis"></a>

## Pricing

Pay for

* EC2
* EBS
* Standard data transfer charge

## Search

You can use `curl` to search documents from the command line

```bash
curl -XGET -u 'master-user:master-user-password' 'domain-endpoint/movies/_search?q=mars&pretty=true'
```

## Troubleshooting

## Concepts

* [Domain](#concepts): = OpenSearch cluster.