Increase batch size to 10_000

update_all and insert_all are pretty efficient and can easily handle a
few thousand records.

app/services/concerns/admin/propagate_service.rb

@@ -4,7 +4,7 @@ module Admin
   module PropagateService
     extend ActiveSupport::Concern
 
-    BATCH_SIZE = 100
+    BATCH_SIZE = 10_000
 
     class_methods do
       def propagate(integration)