The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Effective in version 10.2.1, the Hadoop connection contains new and different properties and functionality. These include several properties that you previously configured in other connections or configuration files, and other changes.
This section lists changes to the Hadoop connection in version 10.2.1.