Actions::Katello::Host::GenerateApplicability is one the most used actions in the foreman tasks/dynflow queue. An example of a user who had 700,000 tasks in their task history saw this rough breakdown COUNT|TYPE 277923 Actions::Katello::Host::GenerateApplicability we need to investigate moving this to be handled directly by the main Rails application and not require the overhead of task creation, monitoring and eventual database cleanup.
*** This bug has been marked as a duplicate of bug 1771724 ***