As you have mentioned in the thread that the issue is not related to app engine, I would highly recommend checking out the documentation for best practices for App Engine startup time in setting up your in the following Article <https://cloudplatform.googleblog.com/2017/06/best-practices-for-App-Engine-startup-time-Google-Cloud-Performance-Atlas.html> .
Also, I would highly recommend posting the issue in community sites such as StackOverflow <https://stackoverflow.com>, Serverfault <https://serverfault.com/> or StackExchange <https://stackexchange.com/> as there are a range of similar issues that were resolved by the users themselves through communicating with each other. -- 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 post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/36dda45c-a9ba-429c-8e8c-3cf16f88d045%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.