MapR Installer

The MapR Installer makes the installation and upgrade of a MapR cluster easy.

You can use the MapR Installer to install MapR 4.1, 5.0, 5.1, 5.2, and maintenance releases such as 5.2.1. You can also use the MapR Installer to perform upgrades on clusters that have a MapR Installer database. To see the MapR Installer in action, watch this video.

Complete the following steps to setup and run the installer:
  1. Select a node to run the MapR Installer. The node from which you run the MapR Installer must also be one of the nodes you plan to install the cluster on. Before you begin, you may want to check the prerequisites and known issues.
  2. Download the script. Download from Then, copy to the node that will run the MapR Installer.
  3. Run the script to configure the node to run the MapR Installer. Run the following command as the root user from the directory that contains the script:
  4. Start the MapR Installer. Open the MapR Installer URL:
    https://<Installer Node hostname/IPaddress>:9443

    You will be prompted to log in as the MapR Administrator user that you configured while running the script.

The MapR Installer installs MapR software after it takes you through the process of selecting services and configuring the cluster.
Once the initial installation completes, you can use the same MapR Installer URL to upgrade the cluster, apply a patch, or add nodes and additional services:
Use this option . . . To
Incremental Install Add nodes, add services, and upgrade services that are already installed on the cluster.
Maintenance Update Update your cluster to a new patch version of MapR Core or apply a patch.
Version Upgrade Upgrade the cluster to a newer MapR version, apply a patch, and upgrade services that are already installed on the cluster.
Uninstall Remove MapR software
Note: The MapR Installer definitions are updated frequently. Update the MapR Installer to get the latest ecosystem components and MapR versions.