CDH4 Installation Guide
This CDH4 Installation Guide is for Apache Hadoop developers and system administrators interested in Hadoop installation. It describes how to install and configure version 4 of Cloudera's Distribution Including Apache Hadoop (CDH4), and how to deploy it on a cluster.
The guide covers the following major topics.
- Upgrade from CDH3 to CDH4. Use these instructions if you are currently running a CDH3 release; or
- Upgrade from an Earlier CDH4 release.Use these instructions if you are currently running a CDH4 release.
- Upgrade components. Upgrade all installed components after upgrading core Hadoop.
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