MapR 5.1 is at End of Life (EOL) and no longer supported. Please see the latest documentation. This documentation is not being updated.

About MapR 5.1
This section contains an overview of the MapR software, information on the MapR Sandbox for Hadoop, and the MapR 5.1 Release notes..
- MapR System Overview
  - MapR File System
  - Cluster Management
  - Overview of MapR-DB
    MapR-DB is an enterprise-grade, high-performance, in-Hadoop, NoSQL (“Not Only SQL”) database management system. You can use it to add real-time, operational analytics capabilities to Hadoop.
  - Overview of MapR Streams
    MapR Streams brings integrated publish/subscribe messaging to the MapR Converged Data Platform.
  - Security
  - MapReduce Version 1
  - YARN
- MapR Sandbox for Hadoop
- Version 5.1 Release Notes

Cluster Management

MapR provides high availability management and data processing services for automatic continuity throughout the cluster. You can use the MapR Control System, command-line interface, or REST API to start, stop, and monitor services at the node or cluster level. MapReduce services such as the JobTracker, management services such as the ZooKeeper, and data access services such as NFS provide continuous service during any system failure. Read the Services documentation for details.

This section describes the following components and services, and also describes their roles in managing a MapR cluster: