Metadata Access Service Quick Reference

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Creating a Metadata Access Service

In Informatica Administrator, click the

Manage

tab.

Click the

Services and Nodes

view.

In the Domain Navigator, select the domain.

Click

Actions

New

Metadata Access Service

The

New Metadata Access Service

wizard appears.

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.

Click

The

New Metadata Access Service - Step 2 of 3

page appears.

Select the HTTP Protocol Type and enter the respective port number and other security parameters to use for the Metadata Access Service.

Property	Description
HTTP Protocol Type	Security protocol that the Metadata Access Service uses. Select one of the following values: HTTP. Requests to the service must use an HTTP URL. HTTPS. Requests to the service must use an HTTPS URL. When you set the HTTP protocol type to HTTPS, you enable Transport Layer Security (TLS) for the service. You must configure the HTTP or HTTPS port for each service process. Default is HTTP.
HTTP Port	HTTP port. Default is 7080.
HTTPS Port	HTTPS port.
Keystore File	Path and file name of the keystore file that contains the keys and certificates required if you use HTTPS connections for the Metadata Access Service. You can create a keystore file with a keytool. keytool is a utility that generates and stores private or public key pairs and associated certificates in a keystore file. You can use the self-signed certificate or use a certificate signed by a certificate authority.
Keystore Password	Password for the keystore file.
Truststore File	Path and file name of the truststore file that contains authentication certificates trusted by the Metadata Access Service.
Truststore Password	Password for the truststore file.
SSL Protocol	Secure Sockets Layer protocol to use. Default is TLS.
Enable Service	Enable the Metadata Access Service when it is created. The Metadata Access Service is not dependant on any other service.

Click

The

New Metadata Access Service - Step 3 of 3

page appears.

If applicable, specify the execution options for the Kerberos cluster.

Property	Description
Hadoop Kerberos Service Principal Name	The Service Principal Name (SPN) of the Metadata Access Service to connect to a Hadoop cluster that uses Kerberos authentication.
Hadoop Kerberos Keytab	The file path to the Kerberos keytab file on the machine on which the Metadata Access Service runs.
Use logged in user as impersonation user	Required if the Hadoop cluster uses Kerberos authentication. If enabled, the Metadata Access Service uses the current logged in user, in the Developer tool, as the impersonation user while accessing any resources. Default is false.