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.
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.
- Application Development Process
  Before you start developing applications on the HPE Ezmeral Data Fabric platform, consider how you will get the data into the platform, the storage format of the data, the type of processing or modeling that is required, and how the data will be accessed.
- File Store and Apps
  The following sections provide information about accessing the File Store with C and Java applications.
- HPE Ezmeral Data Fabric Database and Apps
  This section contains information about developing client applications for JSON and key-value tables.
- Apache Kafka Wire Protocol Service
  HPE Ezmeral Data Fabric Streams supports Apache Kafka Wire Protocol Service. Apache Kafka Wire Protocol Service is a TCP/IP service that emulates a Kafka cluster backed by HPE Ezmeral Data Fabric Streams. The service makes it possible for Apache Kafka clients written in any programming language to access topics in HPE Ezmeral Data Fabric Streams.
  - Getting Started with Apache Kafka Wire Protocol Service
    Describes the steps required to install, configure, and use Apache Kafka Wire Protocol Service.
  - Configuring Apache Kafka Wire Protocol Service
    Describes the Apache Kafka Wire Protocol Service configuration files and instructions.
    - Apache Kafka Wire Protocol Service Settings
      Lists and describes parameters that you can configure in kafka-server.conf.
  - Securing Apache Kafka Wire Protocol Service
    Describes the security mechanisms that Apache Kafka Wire Protocol Service does and does not support.
  - Enabling SSL for Apache Kafka Wire Protocol Service
    Describes the security protocol values that are needed to enable SSL for Apache Kafka Wire Protocol Service.
  - Supported Apache Kafka RPCs
    Lists the Apache Kafka RPCs that Apache Kafka Wire Protocol Service supports and provides links to the correlating API request documentation in the Kafka Protocol Guide.
- HPE Ezmeral Data Fabric Streams and Apps
  HPE Ezmeral Data Fabric Streams brings integrated publish and subscribe messaging to HPE Ezmeral Data Fabric.
- MapReduce and Apps
  This section contains information associated with developing YARN applications.
- Kubernetes Interfaces for Data Fabric
  This section describes how to leverage the capabilities of the Kubernetes Interfaces for Data Fabric.
- Ecosystem Components
  The following sections provide information about each open-source project that is supported by the HPE Ezmeral Data Fabric.
- Maven and the HPE Ezmeral Data Fabric
  This section discusses topics associated with Maven and the HPE Ezmeral Data Fabric.
- Developer's Reference
  This section contains in-depth information for the developer.
- API Documentation
  HPE Ezmeral Data Fabric supports public APIs for file system, HPE Ezmeral Data Fabric Database, and HPE Ezmeral Data Fabric Streams. These APIs are available for application-development purposes.
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.

Apache Kafka Wire Protocol Service Settings

Lists and describes parameters that you can configure in kafka-server.conf.

You can configure the following parameters in /opt/mapr/data-access-gateway/conf/kafka-server.conf:

Parameter	Description
kafka.server.rpc.port	TCP port that Apache Kafka Wire Protocol Service listens to for incoming client requests. Default is 9092.
kafka.server.rpc.security-protocol	Configures authentication and encryption schemes. Supports PLAINTEXT or SASL_PLAINTEXT as the value. To enable authentication, set to SASL_PLAINTEXT. Note that DAG 5.0 does not support encryption.
kafka.server.rpc.sasl-mechanism	Configures the list of SASL authentication mechanisms. This parameter is only effective when `kafka.server.rpc.security-protocol` is set to SASL_PLAINTEXT. In DAG 5.0, only PLAIN is supported.

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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