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Azure Data Lake Analytics (U-SQL) Azure Databricks & Microsoft Fabric Data Engineering

Distributed Apache Spark and lakehouse data engineering platforms for large-scale batch ETL, streaming data transformation, and machine learning on Azure.

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Naming timeline

  1. Azure Data Lake Analytics (U-SQL)

    · General Availability

    On-demand U-SQL batch job service on Microsoft.DataLakeAnalytics/accounts (retired February 29, 2024).

  2. Azure Databricks & Microsoft Fabric Data EngineeringCurrent name

    · ADLA Retirement & Spark Migration

    ADLA and U-SQL retired in favor of open-format Apache Spark lakehouse workloads on Azure Databricks, Azure Synapse Spark, and Microsoft Fabric.

What replaced Azure Data Lake Analytics (U-SQL)?

Azure Data Lake Analytics (U-SQL) has been superseded by Azure Databricks & Microsoft Fabric Data Engineering, with the latest change on 29 February 2024 (ADLA Retirement & Spark Migration). Distributed Apache Spark and lakehouse data engineering platforms for large-scale batch ETL, streaming data transformation, and machine learning on Azure. The underlying legacy API or CLI surface is deprecated, so a technical migration is required.

Also known as

  • Azure Data Lake Analytics
  • ADLA
  • Azure Synapse Apache Spark

Technical identifiers

Legacy identifiers deprecated. The underlying API or CLI surface for the legacy name is officially deprecated, so this change requires a technical migration rather than a label update.

ARM Resource Providers (Microsoft.*)Microsoft.Databricks/workspaces Microsoft.Synapse/workspaces/bigDataPools Microsoft.Fabric/capacities Microsoft.DataLakeAnalytics/accounts (retired)
Azure CLI (az) / PowerShellaz databricks az synapse spark az dla (retired)
Entra ID / Azure RBAC RolesContributor Data Lake Analytics Developer (retired)
Terraform Resources (azurerm_*)azurerm_databricks_workspace azurerm_synapse_spark_pool azurerm_data_lake_analytics_account (retired)

Microsoft.DataLakeAnalytics/accounts (az dla, azurerm_data_lake_analytics_account) was retired on February 29, 2024 in favor of Apache Spark on Azure Databricks, Azure Synapse, and Microsoft Fabric.

Notes & disambiguation

  • Launched in general availability on November 16, 2016 alongside Azure Data Lake Store, Azure Data Lake Analytics (ADLA) executed batch big data jobs using Microsoft's proprietary U-SQL language (combining declarative SQL with C#).
  • On February 29, 2024, Microsoft officially retired Azure Data Lake Analytics and U-SQL, directing customers to migrate batch data processing and lakehouse workloads to Apache Spark on Azure Databricks, Azure Synapse Analytics, or Microsoft Fabric Data Engineering.
  • The legacy Microsoft.DataLakeAnalytics/accounts ARM resource provider, az dla CLI, and azurerm_data_lake_analytics_account Terraform resource are retired (`deprecated: true`) in favor of Microsoft.Databricks/workspaces (azurerm_databricks_workspace), Microsoft.Synapse/workspaces, and Microsoft.Fabric/capacities.

Sources & official documentation

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