For planning, best practices, and recommendations, review the reference architecture for your environment. For example, for on-premises deployments, review the Cloudera Enterprise Reference Architecture for Bare Metal Deployments (PDF).

The following topics describe additional considerations you should be aware of before beginning an installation:

• Storage Space Planning for Cloudera Manager
• Configure Network Names
• Disabling the Firewall
• Setting SELinux mode
• Enable an NTP Service
• (RHEL 6 Compatible Only) Install Python 2.7 on Hue Hosts
• Impala Requirements
• Required Privileges for Package-based Installations of CDH
• Ports
• Recommended Cluster Hosts and Role Distribution
• Custom Installation Solutions
• Service Dependencies in Cloudera Manager