Comparing Versions
When browsing the version scroll area on the Services > Configs tab, you can hover your cursor over a version to display options to view, compare, or revert (make current):
To compare two service configuration versions:
Steps
Navigate to a specific configuration version: for example, V6.
Using the version scrollbar, find the version you want to compare to V6.
For example, if you want to compare V6 to V2, find V2 in the scrollbar.
Hover your cursor over V2 to display the option menu, and lick Compare.
Ambari displays a comparison of V6 to V2, with an option to revert to V2 (Make V2 Current). Ambari also filters the display by only Changed properties, under the Filter control: