Exam DP203 Storage 2 Azure Data Lake Storage Gen2

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Revision as of 15:34, 15 November 2024 by NeilM (talk | contribs)

The second Storage type is: Azure Data Lake Storage Gen2

Same as Azure Blob Storage but with additional data to allow the blobs to be seen as files in a directory structure. Optimised for analytics.

Can treat the data as if it's stored in a Hadoop Distributed File System (HDFS).

Permissions:

  1. access control lists (ACLs)
  2. Portable Operating System Interface (POSIX)

Azure Storage Explorer

Redundancy options:

  1. Locally redundant storage (LRS)
  2. Geo-redundant storage (GRS)

To enable Azure Data Lake Storage Gen2 in the Azure Portal, either:

  1. Enable "hierarchical namespace" in the "Advanced" page when creating the storage account, or
  2. Run the Data Lake Gen2 upgrade wizard in the storage account.
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