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Release 2020-11-09
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@yanancai yanancai released this 16 Nov 17:16
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2020-11-09
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Release date: 11/09/2020

This release applies for both HDInsight 3.6 and HDInsight 4.0. HDInsight release is made available to all regions over several days. The release date here indicates the first region release date. If you don't see below changes, wait for the release being live in your region in several days.

New features

HDInsight Identity Broker (HIB) is now GA

HDInsight Identity Broker (HIB) that enables OAuth authentication for ESP clusters is now generally available with this release. HIB Clusters created after this release will have the latest HIB features:

  • High Availability (HA)
  • Support for Multi-Factor Authentication (MFA)
  • Federated users sign in with no password hash synchronization to AAD-DS
    For more information, see HIB documentation.

Moving to Azure virtual machine scale sets

HDInsight now uses Azure virtual machines to provision the cluster. Starting from this release, the service will gradually migrate to Azure virtual machine scale sets. The entire process may take months. After your regions and subscriptions are migrated, newly created HDInsight clusters will run on virtual machine scale sets without customer actions. No breaking change is expected.

Deprecation

Deprecation of HDInsight 3.6 ML Services cluster

HDInsight 3.6 ML Services cluster type will be end of support by December 31 2020. Customers won't create new 3.6 ML Services clusters after December 31 2020. Existing clusters will run as is without the support from Microsoft. Check the support expiration for HDInsight versions and cluster types here.

Disabled VM sizes

Starting from November 16 2020, HDInsight will block new customers creating clusters using standand_A8, standand_A9, standand_A10 and standand_A11 VM sizes. Existing customers who have used these VM sizes in the past three months won't be affected. Starting form January 9 2021, HDInsight will block all customers creating clusters using standand_A8, standand_A9, standand_A10 and standand_A11 VM sizes. Existing clusters will run as is. Consider moving to HDInsight 4.0 to avoid potential system/support interruption.

Upcoming changes

The following changes will happen in upcoming releases.

Ability to select different Zookeeper virtual machine sizes for Spark, Hadoop, and ML Services

HDInsight today doesn't support customizing Zookeeper node size for Spark, Hadoop, and ML Services cluster types. It defaults to A2_v2/A2 virtual machine sizes, which are provided free of charge. In the upcoming release, you can select a Zookeeper virtual machine size that is most appropriate for your scenario. Zookeeper nodes with virtual machine size other than A2_v2/A2 will be charged. A2_v2 and A2 virtual machines are still provided free of charge.

Default cluster version will be changed to 4.0

Starting February 2021, the default version of HDInsight cluster will be changed from 3.6 to 4.0. For more information about available versions, see available versions. Learn more about what is new in HDInsight 4.0

HDInsight 3.6 end of support on June 30 2021

HDInsight 3.6 will be end of support. Starting form June 30 2021, customers can't create new HDInsight 3.6 clusters. Existing clusters will run as is without the support from Microsoft. Consider moving to HDInsight 4.0 to avoid potential system/support interruption.

Bug fixes

Fix issue for restarting VMs in cluster

The issue for restarting VMs in the cluster has been fixed, you can use PowerShell or REST API to reboot nodes in cluster again.

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