Sometimes, an in-place upgrade may be preferable to a migration, or it may be that a migration cannot be done, such as when:
Upgrade tools include:
Cloudera Manager 7.1.1
For CDH users, Cloudera Manager 7.1.1 facilitates:
Manages upgrades for HDP users
In order to avoid potential compatibility issues, an upgrade is typically accomplished with a professional services engagement. In the current release, CDP Data Center 7.1.1, upgrades are supported from:
An overview of the migration process is shown in Figure 7.