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Elasticsearch:[Notice] Alibaba Cloud Elasticsearch introduces the Kernel Enhanced Edition

Last Updated:Feb 26, 2026

On November 17, 2023, Alibaba Cloud upgraded the Elasticsearch Advanced Edition to the Kernel Enhanced Edition.

Introduction to the Kernel Enhanced Edition

Alibaba Cloud Elasticsearch supports two instance types: Commercial Edition and Kernel Enhanced Edition (formerly Advanced Edition). The Kernel Enhanced Edition is an independent, cloud-based kernel branch that is deeply customized by Alibaba Cloud and 100% compatible with open source Elasticsearch features. Based on extensive experience with large-scale, multi-scenario cloud applications, this edition provides unique cloud-native enhancements, such as improved cluster performance, increased stability, and cost optimization.

For more information, see Overview of Kernel Enhanced Edition features and Version feature comparison.

Change date and details

As of November 17, 2023, the Advanced Edition is upgraded to the Kernel Enhanced Edition. Existing instances of versions 7.10, 7.16, and 6.7 are automatically upgraded to the Kernel Enhanced Edition.

Impact of the change

  • Existing Alibaba Cloud Elasticsearch Advanced Edition instances of versions 7.10, 7.16, and 6.7 are automatically upgraded to the Kernel Enhanced Edition. Only the instance name and instance type change. The features and usage are not affected.

  • New instances of versions 7.10, 7.16, and 6.7 can be purchased only as the Kernel Enhanced Edition.

Note

The Indexing Service series and OpenStore storage features that were supported in the version 7.10 Advanced Edition are also supported in the Kernel Enhanced Edition. You can enable them as needed.