Learn about tasks you need to perform and information you need to consider before
starting a CDF service upgrade.
You trigger an upgrade for a selected CDF environment. Upgrades move from an older version to
the latest version available.
Once you trigger the upgrade, the service enters UPGRADING state and
is upgraded to the latest supported DataFlow and Kubernetes versions. Kubernetes upgrade can
take up to an hour to complete. During the upgrade service actions are restricted, that is, you
are not able to create or manage deployments in the given DataFlow service.
As part of a DataFlow Service (Environment) upgrade, all existing deployments are also
If the upgrade fails, all components are rolled back to their original state.
To keep existing DataFlow deployments working, you may choose not to upgrade the NiFi version
of existing deployments during the upgrade. This selection applies to all existing
deployments.You can manually upgrade NiFi for individual deployments later.
If upgrading a deployment fails, all components are rolled back to their original state and
it causes the overall DataFlow service upgrade to be rolled back as well.