Hello Zdenko, You are right: if you don't notice any delays when using a clean VM, it seems likely that your local setup is at fault.
All this is above the scope of this discussion group, in fact off-topic. You should post such questions to StackOverflow, or other similar forums. This forum is meant for general discussion on the platform and its services. By contrast, in StackOverflow, you get in contact with experienced programmers, who are happy to help. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/bfadb3bb-643e-4f1d-867c-e907150edcb9%40googlegroups.com.