About Release 7.9.0
This site contains documentation for HPE Ezmeral Data Fabric release 7.9.0, including installation, configuration, administration, and reference content, as well as content for the associated ecosystem components and drivers.
7.9.0 Installation
This section contains information about installing and upgrading HPE Ezmeral 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.
7.9.0 Data Fabric
HPE Ezmeral Data Fabric is the industry-leading data platform for AI and analytics that solves enterprise business needs.
7.9.0 Administration
This section describes how to manage the nodes and services that make up a cluster.
- 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 Ezmeral Data Fabric clusters.
- Administering Files and Directories
- Administering Tables
  Administration of the HPE Ezmeral Data Fabric Database is done primarily via the command line (maprcli) or with the Managed Control System (MCS). Regardless of whether the HPE Ezmeral 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 Ezmeral Data Fabric Database administration is associated with tables, columns and column families, and table regions.
  - Managing Tables
    HPE Ezmeral 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.
    - Creating a New Table
      Explains how to create both binary tables and JSON tables using either the Control System, the CLI, or the REST API.
    - Configuring Maximum Row Sizes Using the CLI
      The default maximum row size at installation is 32MB. You can configure this maximum by changing the value of the mfs.db.max.rowsize.kb parameter with the maprcli config save command.
    - Editing Tables
      Explains how to edit binary and JSON tables using either the Control System, the CLI, or the REST API.
    - Removing a Table
      Use either the Control System or the maprcli table delete command to drop a HPE Ezmeral Data Fabric Database table.
    - Defining ACEs Using the Access Control Expression Builder
      Describes how to build ACEs using the Expression Builder.
    - Viewing the List of Tables
      Describes how to view the list of tables using either the Control System or the CLI.
    - Viewing Table Information
      Explains how to view table information using either the Control System, the CLI or the REST API.
    - Loading Documents into JSON Tables
      There are three command-line utilities for loading documents into JSON tables: mapr copytable, mapr importtable (which works in conjunction with the mapr exporttable utility), and mapr importJSON
    - Loading Data into Binary Tables
      Bulkload operations can be performed as a full bulkload or as an incremental bulkload.
    - Performing File System Operations on HPE Ezmeral Data Fabric Database Tables
  - 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.
  - 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 Ezmeral Data Fabric Database Binary Tables with Elasticsearch
    As of with MapR 6.0, HPE Ezmeral Data Fabric Database Elastic Search integration capability is deprecated and no longer available in the HPE Ezmeral Data Fabric Database product.
- Administering Streams
- Administering Data Fabric Gateways
  A HPE Ezmeral Data Fabric gateway mediates one-way communication between a source HPE Ezmeral Data Fabric cluster and a destination cluster. You can replicate HPE Ezmeral Data Fabric Database tables (binary and JSON) and HPE Ezmeral Data Fabric Streams streams. HPE Ezmeral 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 Ezmeral 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 Ezmeral 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 Ezmeral Data Fabric Information
  Lists the best practices and performance considerations to follow when backing up HPE Ezmeral Data Fabric information.
- IPv6 Support in Data Fabric
  Describes the IPv6 support feature for Data Fabric.
7.9.0 Development
This section contains information related to application development for Ezmeral ecosystem components and HPE Ezmeral 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.

Viewing the List of Tables

Describes how to view the list of tables using either the Control System or the CLI.

Viewing the Tables in a Volume Using the Control System

Procedure

Log in to the Control System and click Data > Tables to view all the volumes to which you have access.

NOTE

This option is not applicable on the Kubernetes version of the Control System.

For each volume, the pane displays the following:

Column Name	Column Description
Name	The name of the volume.
Type	The type. Value can be: — Volume — Directory — Table
Owner	The name of the owner.
Last Modified	The last modification date and timestamp.

Click on the name of the volume (to browse to the path to the table) or enter the name of the volume in the text field.
The tables in the selected volume display. If necessary, click the name of the directory to browse further or to return to All volumes view.

Viewing a Table by Table Path Using the Control System

Procedure

Log in to the Control System and click Data > Tables.
NOTE
This option is not applicable on the Kubernetes version of the Control System.
Enter the path to the table and click GO.
The tables information page for the specified table displays.

Listing the Tables in a Directory From the Command-line

Method for Binary Tables Only (HBase Shell)

About this task

After starting the HBase shell, run the list command. Include the directory path in the command if you want to list tables that are not in your home directory. Type help to see a list of commands and their syntax.

Method for JSON Tables Only (`mapr dbshell`)

About this task

After starting the shell, run the list command. Include the directory path in the command if you want to list tables that are not in your home directory.

Retrieving a Table by Table Path Using the CLI or the REST API

About this task

To retrieve table details for a table by specifying the table path from the CLI, run the following command:

maprcli table info -path <table-path>

For information on this command, see the table info command.

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HPE Ezmeral Data Fabric – Customer-Managed 7.9.0 Documentation
Abstract	This site contains documentation for the customer-managed platform of the HPE Ezmeral Data Fabric version 7.9.0 including installation, configuration, administration, and reference content, as well as content for the associated bundled ecosystem components and drivers.
Published	November 2024
Edition	7.9.0