4. Perform the Upgrade
Log in to Ambari.
Browse to Admin > Stack and Versions.
Click on the Versions tab. The registered and installed target HDP version should be visible.
Click Perform Upgrade on the target version.
Based on your current HDP version and the target HDP version, Ambari will perform a set of prerequisite checks to determine if you can perform a Rolling Upgrade or an Express Upgrade. A dialog will be presented with the options available.
Select your upgrade method: Rolling Upgrade or Express Upgrade. There are also advanced options available.
Option Description Skip all Service Check failures Ambari will automatically skip any Service Check failures and complete the task without requiring user intervention to continue. After all the Service Checks have run in a task, you will be presented with summary of the failures and an option to continue the upgrade or pause. Skip all Slave Component failures Ambari will automatically skip any Slave Component failures and complete the task of upgrading Slave components without requiring user intervention to continue. After all Slave Components have been upgraded, you will be presented with a summary of the failures and an option to continue the upgrade or pause. Click Proceed. Based on your option choice, proceed with the upgrade:
If you selected Rolling Upgrade , proceed to Perform Rolling Upgrade.
If you selected Express Upgrade , proceed to Perform Express Upgrade.