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9. Assign Slaves and Clients

The Ambari installation wizard assigns the slave components (DataNodes, NodeManagers, and RegionServers) to appropriate hosts in your cluster. It also attempts to select hosts for installing the appropriate set of clients.

  1. Use all or none to select all of the hosts in the column or none of the hosts, respectively.

    If a host has an asterisk next to it, that host is also running one or more master components. Hover your mouse over the asterisk to see which master components are on that host.

  2. Fine-tune your selections by using the checkboxes next to specific hosts.

  3. When you are satisfied with your assignments, choose Next.