Settings to restrict concurrently running jobs. Jobs which can be configured:
* `Pleroma.Web.RichMedia.Helpers` - generating link previews of URLs in activities
-* `Pleroma.Web.MediaProxy` - fetching remote media via MediaProxy
+* `Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy` - warming remote media cache via MediaProxyWarmingPolicy
Each job has these settings: