This is the documentation for Cloudera 5.2.x.
Documentation for other versions is available at Cloudera Documentation.

Upgrading from CDH 4 to CDH 5

  Note: If you are using Cloudera Manager to manage CDH, do not use the instructions in this section.
  • If you are running Cloudera Manager 4, you must upgrade to Cloudera Manager 5 first, as Cloudera Manager 4 cannot manage CDH 5; see Upgrading Cloudera Manager.
  • Follow directions in Upgrading to CDH 5 to upgrade CDH 4 to CDH 5 in a Cloudera Manager deployment.
Use the following information and instructions to upgrade to the latest CDH 5 release from a CDH 4 release:
  Important: This involves uninstalling the CDH 4 packages and installing the CDH 5 packages.
  Note:

If you are migrating from MapReduce v1 (MRv1) to MapReduce v2 (MRv2, YARN), see Migrating from MapReduce 1 (MRv1) to MapReduce 2 (MRv2, YARN) for important information and instructions.