If you have ECDs running workflow packages containing ECDs that are configured to run that contain workflows with Web Services, you need to perform some additional steps before and after the upgrade of Usage Engine to achieve zero downtime.
...
Before initiating the upgrade, generate new versions of the workflow packages that contain workflows with Web Services. This needs to be done in an environment where Usage Engine 3.2 is already installed. If the workflow packages are provisioned through a package image, you need to create a new version of the package image as well, and ensure it contains the new version(s) of the workflow package(s).
Enable manual upgrade for the related ECDs. You can do this with the following command:
Code Block kubectl patch ecdeployments.mz.digitalroute.com <your ecd name> --type=merge -p '{"spec":{"manualUpgrade":true}}'
...