Installation and Configuration Guide

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Data Preparation Service

The Data Preparation Service manages data preparation within Enterprise Data Lake. When an analyst prepares data in a project, the Data Preparation Service stores worksheet metadata in the Data Preparation repository. When you create the service, you can associate other application services with it.

The following table summarizes the dependencies for products, services, and databases that are associated with the Data Preparation Service:

Dependency	Summary
Products	The following products use the Data Preparation Service: Enterprise Data Lake
Services	If you plan to use rules during data preparation, you can provide a direct association with the following services: Model Repository Service Data Integration Service
Databases	The Data Preparation Service uses the following database: Data Preparation repository. Stores worksheet metadata created when users prepare data assets for publication.
Installer	You can create the Data Preparation Service when you run the installer.

Rules and Guidelines

Consider the following rules and guidelines for Data Preparation Service creation:

If you use the installer to create the Enterprise Data Lake and Data Preparation Service, you must create both of the application services on the same node.

If you configure Enterprise Data Lake to use rules, you must associate a Data Integration Service with the Data Preparation Service. The Data Integration Service is required to run rules during data preparation.

If you configure Enterprise Data Lake to use rules, you must associate the Model Repository Service that manages the Model repository in which rule objects and metadata are stored with the Data Preparation Service.

If you want to create and enable the Data Preparation Service when you run the installer, the domain must contain connections associated with the Hadoop environment. For more information, see Prepare to Create the Enterprise Data Lake Services.

Prepare for Application Services and Databases

Data Preparation Repository Database Requirements

Grant Permissions on the Hive Warehouse Directory

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