Increase the amount of commits per page to 20

app/controllers/projects/compare_controller.rb

@@ -26,7 +26,9 @@ class Projects::CompareController < Projects::ApplicationController
 
   feature_category :source_code_management
 
-  COMMIT_DIFFS_PER_PAGE = 10
+  # Diffs may be pretty chunky, the less is better in this endpoint.
+  # Pagination design guides: https://design.gitlab.com/components/pagination/#behavior
+  COMMIT_DIFFS_PER_PAGE = 20
 
   def index
   end