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Improved Acrolinx Score
Improved Acrolinx Score
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articles/hdinsight/hdinsight-release-notes-archive.md

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## Release date: May 08, 2023
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This release applies to HDInsight 4.x and 5.x HDInsight release will be available to all regions over several days. This release is applicable for image number **2304280205**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
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This release applies to HDInsight 4.x and 5.x HDInsight release is available to all regions over several days. This release is applicable for image number **2304280205**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
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HDInsight uses safe deployment practices, which involve gradual region deployment. it may take up to 10 business days for a new release or a new version to be available in all regions.
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## Coming soon
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* The max length of cluster name will be changed to 45 from 59 characters, to improve the security posture of clusters.
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* The max length of cluster name changes to 45 from 59 characters, to improve the security posture of clusters.
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* Cluster permissions for secure storage
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* Customers can specify (during cluster creation) whether a secure channel should be used for HDInsight cluster nodes to contact the storage account.
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* In-line quota update.
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* Request quotas increase directly from the My Quota page, which will be a direct API call, which is faster. If the API call fails, then customers need to create a new support request for quota increase.
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* Request quotas increase directly from the My Quota page, which is a direct API call, which is faster. If the API call fails, then customers need to create a new support request for quota increase.
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* HDInsight Cluster Creation with Custom VNets.
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* To improve the overall security posture of the HDInsight clusters, HDInsight clusters using custom VNETs will need to ensure that the user needs to have permission for `Microsoft Network/virtualNetworks/subnets/join/action` to perform create operations. Customers would need to plan accordingly as this would be a mandatory check to avoid cluster creation failures.
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* To improve the overall security posture of the HDInsight clusters, HDInsight clusters using custom VNETs need to ensure that the user needs to have permission for `Microsoft Network/virtualNetworks/subnets/join/action` to perform create operations. Customers would need to plan accordingly as this would be a mandatory check to avoid cluster creation failures.
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* Basic and Standard A-series VMs Retirement.
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* On 31 August 2024, we'll retire Basic and Standard A-series VMs. Before that date, you need to migrate your workloads to Av2-series VMs, which provide more memory per vCPU and faster storage on solid-state drives (SSDs). To avoid service disruptions, [migrate your workloads](https://aka.ms/Av1retirement) from Basic and Standard A-series VMs to Av2-series VMs before 31 August 2024.
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* Non-ESP ABFS clusters [Cluster Permissions for World Readable]
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* Plan to introduce a change in non-ESP ABFS clusters, which restricts non-Hadoop group users from executing Hadoop commands for storage operations. This change to improve cluster security posture. Customers need to plan for the updates.
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## Release date: February 28, 2023
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This release applies to HDInsight 4.0. and 5.0, 5.1. HDInsight release will be available to all regions over several days. This release is applicable for image number **2302250400**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
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This release applies to HDInsight 4.0. and 5.0, 5.1. HDInsight release is be available to all regions over several days. This release is applicable for image number **2302250400**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
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HDInsight uses safe deployment practices, which involve gradual region deployment. it may take up to 10 business days for a new release or a new version to be available in all regions.
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End of support for Azure HDInsight clusters on Spark 2.4 February 10, 2024. For more information, see [Spark versions supported in Azure HDInsight](./hdinsight-40-component-versioning.md#spark-versions-supported-in-azure-hdinsight)
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## Coming soon
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## What's next
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* Autoscale
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* Autoscale with improved latency and several improvements
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* Cluster name change limitation
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* The max length of cluster name will be changed to 45 from 59 in Public, Mooncake and Fairfax.
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* The max length of cluster name changes to 45 from 59 in Public, Mooncake and Fairfax.
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* Cluster permissions for secure storage
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* Customers can specify (during cluster creation) whether a secure channel should be used for HDInsight cluster nodes to contact the storage account.
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* Non-ESP ABFS clusters [Cluster Permissions for World Readable]
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* Plan to introduce a change in non-ESP ABFS clusters, which restricts non-Hadoop group users from executing Hadoop commands for storage operations. This change to improve cluster security posture. Customers need to plan for the updates.
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* Open-source upgrades
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* Apache Spark 3.3.0 and Hadoop 3.3.4 are under development on HDInsight 5.1 and will include several significant new features, performance and other improvements.
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* Apache Spark 3.3.0 and Hadoop 3.3.4 are under development on HDInsight 5.1 and includes several significant new features, performance and other improvements.
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> [!NOTE]
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> We advise customers to use to latest versions of HDInsight [Images](./view-hindsight-cluster-image-version.md) as they bring in the best of open source updates, Azure updates and security fixes. For more information, see [Best practices](./hdinsight-overview-before-you-start.md).
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HDInsight cluster comes with pre-defined disk space based on SKU. This space may not be sufficient in large job scenarios.
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This new feature allows you to add more disks in cluster, which will be used as node manager local directory. Add number of disks to worker nodes during HIVE and Spark cluster creation, while the selected disks will be part of node manager’s local directories.
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This new feature allows you to add more disks in cluster, which will be used as node manager local directory. Add number of disks to worker nodes during HIVE and Spark cluster creation, while the selected disks are be part of node manager’s local directories.
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> [!NOTE]
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> The added disks are only configured for node manager local directories.

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