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Configure Databricks External Locations
Configure Databricks External Locations
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Written by Openbridge Support
Updated over a week ago

Databricks can be configured to query data in an external location, like Amazon S3 or Azure Data Lakes. This document covers the information needed to register a Databricks external configuration in Openbridge.


Configuration

There are five configuration elements relating to external storage.

  1. Azure Data Lake Storage Container Name

  2. Azure Data Lake Storage Connection String

  3. Databricks Storage Credentials Name

  4. Databricks External Location Storage URI

  5. Azure Data Lake Storage Container Path Prefix

Be aware that this data will be found in a mix of locations. Some will be in the Azure UI, and others in the Databricks UI.

If you are unfamiliar with using external storage with Databricks, see these docs describing how to configure your Azure and Databricks environments;

Azure Data Lake Storage Container Name

The container name in Azure should match your registered external location in Databricks. See below Data Lake External Location Storage URI.

Azure Data Lake Storage Connection String

The connection string for the Azure Data Lake container is specified above.

Databricks Storage Credentials Name

The storage credentials name used when you registered your external location in Databricks. This should be the same credential that appears below in Data Lake External Location Storage URI.

Databricks External Location Storage URI

This is the URI for the external storage location you registered within Databricks.

Azure Data Lake Storage Container Path Prefix

A path is optional. For example, if you have a directory in your container that you want to use for storing all your Openbridge data, you would specify this directory. If the directory were called, myexternaldatabricksdata you would set the path to myexternaldatabricksdata . If left empty, we would use the container's root to store data.

Note: Do not place any pre or trailing slashes in the path /myexternaldatabricksdata or myexternaldatabricksdata/ or /myexternaldatabricksdata/

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