QA: changing Greenplum Administrator user to another account

Products

• VMware Tanzu Greenplum

Issue/Introduction

Is "gpadmin" only the default Greenplum Admin user?  - Can the Greenplum Admin user be changed or does "gpadmin" have to be kept as the Greenplum internal account?
   a. Is this a supported process?
   b. What specifically would need to be configured/changed if possible for this process to be executed?
   c. Are there any limitation or consideration regarding changing the default Greenplum user from "gpadmin" to another user?

Resolution

please refer to the following as part of the documentation for the relevant step with respect to naming the administrator account.

Note: You cannot run the Greeplum Database server as root.

https://techdocs.broadcom.com/us/en/vmware-tanzu/data-solutions/tanzu-greenplum/7/greenplum-database/install_guide-install_guide-prep_os.html#topic23:~:text=Copy-,Creating%20the%20Greenplum%20Administrative%20User,-Create%20a%20dedicated