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.
- Working with Multiple Fabrics Using the Data Fabric UI
  This section describes how you can get started learning about, installing, and using the HPE Data Fabric.
- Administering Users and Clusters
  Lists topics that help manage a Data Fabric cluster.
- Administering Nodes
  Provides a synopsis of managing nodes in a cluster.
- Administering Volumes
  This section provide information about how to organize and manage data using volumes, a unique feature of HPE Data Fabric clusters.
- Administering Files and Directories
- Administering Tables
  Administration of the HPE Data Fabric Database is done primarily via the command line (maprcli) or with the Managed Control System (MCS). Regardless of whether the HPE Data Fabric Database table is used for binary files or JSON documents, the same types of commands are used with slightly different parameter options. HPE Data Fabric Database administration is associated with tables, columns and column families, and table regions.
  - Managing Tables
    HPE Data Fabric Database supports two types of table: binary tables and JSON tables. This section covers how to create, edit, and delete tables, as well as how to set parameter values, display parameter values, grant permissions and access, replicate tables, and more using the Control System and the CLI.
  - Managing Column Families and Columns
    This section covers overviews of column families in binary tables and JSON tables, how to create column families, alter them, delete them, set permissions on them, and set and display parameter values.
    - Creating Column Families
      Explains how to create column families using either the Control System, the CLI, or the HBase shell.
    - Listing Column Families
      Explains how to view the column families for a table using either the Control System or the CLI.
    - Removing Column Families
      Explains how to delete column families using either the Control System or the CLI.
    - Altering Column Families
      Explains how to modify the permissions and properties of column families using either the Control System, the CLI, or the HBase shell.
    - Displaying Default Column Family Permissions
      Use either the Control System or the maprcli command to find out the users, groups, or roles that have permissions on the default column family.
  - Managing Column Family Fields and Field Permissions for JSON Tables
    This sections covers details for working with column family fields. Column family fields can be added to any existing JSON table, and column families comprise optional fields.
  - Managing Table Replication
    This section contains topics about setting up table replication and administering existing replicas.
  - Managing Secondary Indexes
    Describes how to manage secondary indexes, including adding, deleting, and listing indexes, setting up your cluster for querying, and troubleshooting index usage.
  - Administering Change Data Capture
    This topic covers the Control System and maprcli tools for managing the Change Data Capture (CDC) feature.
  - Indexing HPE Data Fabric Database Binary Tables with Elasticsearch
    As of with MapR 6.0, HPE Data Fabric Database Elastic Search integration capability is deprecated and no longer available in the HPE Data Fabric Database product.
- Administering Streams
- Administering Data Fabric Gateways
  A HPE Data Fabric gateway mediates one-way communication between a source HPE Data Fabric cluster and a destination cluster. You can replicate HPE Data Fabric Database tables (binary and JSON) and HPE Data Fabric Streams streams. HPE Data Fabric gateways also apply updates from JSON tables to their secondary indexes and propagate Change Data Capture (CDC) logs.
- Administering Services
- Monitoring the Cluster
  This section describes how to monitor the health and performance of a MapR cluster.
- Configuring Security
  Describes how to configure security and manage secure clusters.
- Managing Secure Clusters
  Provides procedures that will enable you to use Data Fabric clusters securely.
- Administering the Data Access Gateway
  The HPE Data Fabric Data Access Gateway is a service that acts as a proxy and gateway for translating requests between lightweight client applications and the HPE Data Fabric cluster. This section describes considerations when upgrading the service, how to modify configuration settings, and how to administer and manage the service.
- Planning for High Availability
- Administrator's Reference
  This section contains in-depth reference information for the administrator.
- Troubleshooting Cluster Administration
  Lists the common errors and their solutions.
- Best Practices for Backing Up HPE Data Fabric Information
  Lists the best practices and performance considerations to follow when backing up HPE Data Fabric information.
- IPv6 Support in Data Fabric
  Describes the IPv6 support feature for Data Fabric.
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.
Glossary
Definitions for commonly used terms in MapR Converged Data Platform environments.

Removing Column Families

Explains how to delete column families using either the Control System or the CLI.

About this task

IMPORTANT

Starting in the 6.0 release, you cannot delete a column family from a JSON table.

Removing Column Families Using the Control System

About this task

To remove one or more column families:

Procedure

Go to the table information page.
See Viewing Table Information.
Click Column Families tab.
The page displays:
- Default column family permissions
- All the column families for the table
Select the checkbox associated with the column families to delete in the All pane.
Click Remove Column Family.
The Remove Column Families confirmation dialog displays.
Verify the list of column families and click Remove Column Family.
If necessary, click to remove a column family from the list of column families to delete.

Removing a Column Family Using the CLI or the REST API

About this task

To remove a column family by name using the CLI or the REST API, run the following command:

maprcli table cf delete -path <path> -cfname <name>

See the table cf delete command for more information.

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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	June 2026
Edition	8.0.0
Topic last updated	2022-09-01