About Release 8.0.0
This site contains documentation for HPE Data Fabric release 8.0.0, including installation, configuration, administration, and reference content, as well as content for the associated ecosystem components and drivers.
8.0.0 Installation
This section contains information about installing HPE Data Fabric software. It also contains information about how to migrate data and applications from an Apache Hadoop cluster to a HPE Ezmeral Data Fabric cluster.
8.0.0 Upgrade
This section describes how to upgrade HPE Data Fabric software.
8.0.0 Data Fabric
HPE Data Fabric is the industry-leading data platform for AI and analytics that solves enterprise business needs.
8.0.0 Administration
This section describes how to manage the nodes and services that make up a cluster.
8.0.0 Development
This section contains information related to application development for Ezmeral ecosystem components and HPE Data Fabric products, including the file system, Database (Key-Value and JSON), and Event Streams.
Other Docs
This section contains release-independent information, including: Installer documentation, Ecosystem release notes, interoperability matrices, security vulnerabilities, and links to other Data Fabric version documentation.
- Products Covered in the HPE Data Fabric Documentation
  This section lists the products covered in the HPE Data Fabric documentation portal and provides links to the related product documentation.
- Installer
  You must download and run the Installer setup script before you can start the Installer web interface or issue Installer Stanza commands.
- Interoperability Matrices
  This section provides tables that show the operating system (OS), JDK, ecosystem, and Data Fabric client support for the HPE Data Fabric. Check these tables for information about software compatibility.
- Ecosystem Component Release Notes
  The following release notes contain information for the components included in the HPE Data Fabric.
- Data Fabric Ecosystem Pack (DEP) Reference
  This section contains links to DEP information that is specific to a given .
- Control System Release Notes
  This section contains release notes for the HPE Data Fabric Control System.
- Kubernetes Interfaces for Data Fabric Release Notes
  This section contains release notes for the Kubernetes Interfaces for Data Fabric.
- Thin Client Release Notes
  This section contains release notes for the lightweight client applications that use the Data Access Gateway to send requests to the HPE Data Fabric.
- Security Vulnerabilities
  This section describes how to find information about potential security vulnerabilities in HPE Data Fabric software.
- Previous Versions
  This page contains links to the documentation for releases that are currently supported or have recently reached end-of-life.
- HPE Data Fabric Edge
  This section contains information about HPE Data Fabric Edge, which is a small footprint edition of the HPE Data Fabric. HPE Data Fabric Edge is designed to capture, process, and analyze IoT data close to the source.
- Support Articles in the HPE Support Center
  Data Fabric support articles moved to the HPE Support Center in 2022, changing the way you find and access the support articles.
- Documentation available in PDF format
  Provides instructions for downloading Data Fabric documentation in PDF format.
- Product Licensing
  Provides information related to product licensing.
- Other Resources
  This page provides links to additional resources such as on-demand training, videos, blogs, and the HPE Data Fabric community.
- Contact HPE
  Provides a link to contact HPE Sales or Support.
Glossary
Definitions for commonly used terms in MapR Converged Data Platform environments.

Data Access Gateway 7.1.0.0 Release Notes

These notes describe release 7.1.0.0 of the Data Access Gateway.

These release notes contain only data-fabric-specific information and are not necessarily cumulative in nature. For information about how to use the release notes, see Ecosystem Component Release Notes.

Version	7.1.0.0
Release Date	April 2026
Version Interoperability	See Data Access Gateway Support Matrix.
Package Name	`mapr-data-access-gateway` To view the full list of package names, navigate to https://package.ezmeral.hpe.com/releases/MEP/ and select your EEP version and OS.
Documentation	Administering the Data Access Gateway

Data Access Gateway 7.1.0.0 is available for Data Fabric versions 8.1.0 and later.

DAG 7.1.00.0 adds support for Apache Polaris as a catalog for .

Known Issues and Limitations

MAPRDB-2705 : [DAG 7.1] DB scans via ojai-thin-client & REST on DEP 10.1.0 DAG v7.1 has degraded considerable

Workaround:

Open /opt/mapr/data-access-gateway/conf/log4j2.xml in a text editor.
Replace all occurances of level="debug" with level="info".
Restart Data Access Gateway.

Resolved Issues

Following issues are resolved in this release:

MS-1783: Connection to KWP fails with java.lang.IllegalArgumentException: Invalid version for API key API_VERSIONS: 4
ECO-463: Fixing security vulnerabilities in Netty version 4.1.122, Spring version 6.2.15.

Partners Support Dev-Hub Community ALA Privacy Policy Glossary

HPE Data Fabric 8.0.0 Software Documentation
Abstract	This site contains documentation for HPE Data Fabric Software version 8.0.0 including installation, configuration, administration, and reference content, as well as content for the associated bundled ecosystem components and drivers.
Published	August 2026
Edition	8.0.0
Topic last updated	2026-05-06