Create and Configure the Metadata Access Service
The Metadata Access Service is an application service that allows the Developer tool to access Hadoop connection information to import and preview metadata.
The Metadata Access Service contains information about the Service Principal Name (SPN) and keytab information if the Hadoop cluster uses Kerberos authentication.
Create the Metadata Access Service
The Metadata Access Service allows the Developer tool to access Hadoop connection information to import and preview metadata from the Hadoop environment. The Metadata Access Service is required for design-time access to the Hadoop environment.
1. In the Administrator tool, click the Manage tab.
2. Click the Services and Nodes view.
3. In the Domain Navigator, select the domain.
4. Click Actions > New > Metadata Access Service.
The New Metadata Access Service wizard appears.
5. On the New Metadata Access Service - Step 1 of 3 page, enter the following properties:
Property | Description |
|---|
Name | Name of the service. The name is not case sensitive and must be unique within the domain. It cannot exceed 128 characters or begin with @. It also cannot contain spaces or the following special characters: ` ~ % ^ * + = { } \ ; : ' " / ? . , < > | ! ( ) ] [ |
Description | Description of the service. The description cannot exceed 765 characters. |
Location | Domain and folder where the service is created. Click Browse to choose a different folder. You can move the service after you create it. |
License | License object that allows use of the service. |
Node | Node on which the service runs. |
Backup Nodes | If your license includes high availability, nodes on which the service can run if the primary node is unavailable. |
6. Click Next.
The New Metadata Access Service - Step 2 of 3 page appears.
7. Select the HTTP Protocol Type and enter the respective port number to use for the Metadata Access Service.
8. Accept the default values for the remaining security properties. You can configure the security properties after you create the Metadata Access Service.
9. Select Enable Service.
The Metadata Access Service does not have any other service dependency.
10. Click Next.
The New Metadata Access Service - Step 3 of 3 page appears.
11. If applicable, specify the execution options for Kerberos cluster and click Next.
12. Click Finish.
The domain creates and enables the Metadata Access Service.