Installation for Data Engineering

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Metadata Access Service

The Metadata Access Service is an application service that allows the Developer tool to access the Hadoop environment to import and preview metadata. If the domain uses non-Kerberos authentication, you can create and configure the Metadata Access Service. If the domain uses Kerberos authentication, don't choose to create the Metadata Access Service.

If you selected to create a Metadata Access Service during the installation, the

Metadata Access Service

page appears.

Configure the service properties for the Metadata Access Service.

The following table lists the service properties for the Metadata Access Service:

Property	Description
Service Name	Name of the Metadata Access Service. The name is not case sensitive and must be unique within the domain. It cannot exceed 230 characters or begin with @. It also cannot contain spaces or the following special characters: ` ~ % ^ * + = { } \ ; : ' " / ? . , < > \| ! ( ) ] [
HTTP Protocol Type	The HTTP protocol type for the Metadata Access Service. Choose HTTP or HTTPS.

Enter the HTTP or HTTPS port number to the Metadata Access Service.

If you choose HTTPS, you can choose to either use the default Informatica SSL certificate files or specify the location of the SSL certificate files.

Choose to secure communication for the Metadata Access Service:

The following table describes the properties that secure communication for the service:

Property	Description
Enable Secure Communication for the Service	Select 1 to use the default keystore file that the installer generates. Select 2 to use a different keystore file.
Metadata Access Service Keystore File	Location of the keystore file that you want to use. Required if you choose to use a different keystore file.
Metadata Access Service Keystore Password	The password of the keystore file that you want to use. Required if you choose to use a different keystore file.
Metadata Access Service Truststore File	Location of the truststore file that you want to use. Required if you choose to use a different truststore file.
Metadata Access Service Truststore Password	The password of the keystore file that you want to use. Required if you choose to use a different truststore file.
SSL Protocol	Specify the SSL protocol.

Set the Metadata Access Service properties.

The following table describes the Metadata Access Service properties:

Property	Description
Enable Service	Select 1 to disable the Metadata Access Service. Select 2 to enable the Metadata Access Service. The Metadata Access Service does not have any other service dependency. Default is 1 .
Use Operating System Profile and Impersonation	Select 1 to disable the operating system profile and impersonation. Select 2 to enable the operating system profile and impersonation. Default is 1 .
Use Logged In User as impersonation user	Required if the Hadoop cluster uses Kerberos authentication. Hadoop impersonation user is the user name that the Metadata Access Service impersonates to import metadata from the Hadoop environment at design time. Select 1 to disable the logged in user as impersonation user. Select 2 to enable the logged in user as impersonation user. Default is 1 .