Metadata Access Service Quick Reference

Metadata Access Service Quick Reference

Metadata Access Service Options

Metadata Access Service Options

Use the Metadata Access Service options with the infacmd mas UpdateServiceOptions command.
Enter Metadata Access Service options in the following format:
... -o option_type.option_name=value
To enter multiple options, separate them with a space. To enter a value that contains a space or other non-alphanumeric character, enclose the value in quotation marks.
The following table describes Metadata Access Service options:
Option
Description
ExecutionContextOptions.HadoopDistribution
The Hadoop distribution directory on the Metadata Access Service node. The contents of the Metadata Access Service Hadoop distribution directory must be identical to Hadoop distribution directory on the data nodes. Type
<Informatica Installation directory/Informatica/services/shared/hadoop/[Hadoop_distribution_name]
.
HttpConfigurationOptions.HTTPProtocolType
Security protocol that the Metadata Access Service uses. Enter 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.
Default is HTTP.
MASProperties.HadoopKeytab
The file path to the Kerberos keytab file on the machine on which the Metadata Access Service runs.
MASProperties.HadoopPrincipal
Service Principal Name (SPN) of the Metadata Access Service to connect to a Hadoop cluster that uses Kerberos authentication.
MASProperties.LoggedInUserAsImperUser
Required if the Hadoop cluster uses Kerberos authentication. Hadoop impersonation user. The user name that the Metadata Access Service impersonates to run mappings in the Hadoop environment.

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