fixes #2371

app/models/post.rb

@@ -1497,7 +1497,13 @@ class Post < ActiveRecord::Base
     def update_iqdb_async
       if Danbooru.config.iqdb_hostname_and_port && File.exists?(preview_file_path)
         Danbooru.config.all_server_hosts.each do |host|
-          delay(:queue => host).update_iqdb
+          if has_tag?("ugoira")
+            run_at = 10.seconds.from_now
+          else
+            run_at = Time.from_now
+          end
+
+          delay(:queue => host, :run_at => run_at).update_iqdb
         end
       end
     end