Cache allowed_ids

lib/gitlab/cycle_analytics/base_event_fetcher.rb

@@ -56,7 +56,7 @@ module Gitlab
       end
 
       def allowed_ids
-        allowed_ids_finder_class
+        @allowed_ids ||= allowed_ids_finder_class
           .new(@options[:current_user], project_id: @project.id)
           .execute.where(id: event_result_ids).pluck(:id)
       end