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url: /v6.2/en-us/connecting-es.md
---
# Connecting to Elastic Search

### Connection Steps

Please follow the steps below to connect to the `Elastic Search` data source.

1. Click "New Data Connection" in the upper right corner of the data connection page.
   ![](/images/data-connection/connection-001.png)

2. Select the `Elastic Search` data source from the list of data source types.
   ![](/images/data-connection/connecting-es-001.png)

3. Fill in the required parameters for the data source connection as prompted.
   ![](/images/data-connection/connecting-es-002.png)

   **Connection Configuration Information Description**

   | Field                                  | Description                                                                 |
   | --------------------------------------- | --------------------------------------------------------------------------- |
   | Name                                   | The name of the connection. Required and must be unique within the user     |
   | Host Address                           | The address of the database. If the URL field is filled, the URL takes precedence |
   | Port                                   | The port of the database. If the URL field is filled, the URL takes precedence |
   | Username                               | The username for the database                                               |
   | Password                               | The password for the database                                               |
   | Max Connections                        | Maximum number of connections in the connection pool                        |
   | Elastic Search Version                  | Supports version 6.x or 7.x                                                 |
   | Prefer using database comment as dataset title | Choose whether to display the table name or the table comment. When enabled, the title is shown; when disabled, the table comment is shown |
   | Protocol                               | Optional HTTP or HTTPS                                                      |
   | URL                                    | The JDBC URL of the database                                                |
   | Query Timeout (seconds)                 | Default is 600. For large data volumes, you can increase the timeout        |
   | Show only tables under specified database/schema | If selected and the database field is not empty, only tables under that DB will be shown |

4. After filling in the parameters, click the `Validate` button to get the validation result (this checks the connectivity between HENGSHI SENSE and the configured data connection; you cannot add the connection if validation fails).

5. After validation passes, click `Execute Preset Code` to pop up the preset code for this data source, then click the execute button.

6. Click the `Add` button to add the `Elastic Search` connection.

> \[!CAUTION] Please Note
>
> 1. Parameters marked with \* are required; others are optional.
> 2. When connecting to a data source, you must execute the preset code. Failure to do so may result in certain functions being unavailable during data analysis. In addition, when upgrading from a version prior to 4.4 to 4.4, you need to execute the preset code for existing data connections in the system.

***

### Supported `Elastic Search` Versions

`6.x`, `7.x`, `8.x`, `9.x`