Before You Install
Before you install CDH, review Cloudera Enterprise 5.x Release Notes, especially CDH 5 and Cloudera Manager 5 Requirements and Supported Versions.
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: