Slow Google App Engine Extjs download or failure to download - google-app-engine

I have a simple app at http://menkyo-kaiden.appspot.com/. It uses Extjs whose main library file ext-all.js is approximately 1 MB.
I've had the app up and running for 6 months no issues. Today it won't download the Extjs library or takes over a minute to download. I logged into App Engine admin and see no issues only Elevated status for Google Datastore which I'm not using. App Engine admin shows my latency to be under 100ms which obviously isn't the case.
So is there an issue with App Engine today or something has been changed on Google's end?

Well the problem has disappeared. Perhaps an issue with my ISP throttling bandwidth.

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Extremely large latency in Google App Engine Web App

I have signed up for the Google Cloud Free trial and tried out the App Engine with my Java Spring Boot web app.
I've managed to deploy my Spring Boot Application onto the app engine using this guide:
https://codelabs.developers.google.com/codelabs/cloud-app-engine-springboot/#0
However my web app seems to be running extremely slow. I am getting very high latency on loading small static files. Like 2-3 seconds for each 2KB .js file that the web app is serving.
I've tested the app on Amazons AWS Elastic Beanstalk platform, and the app is running smooth and as expected there.
I know that I haven't provided much info, but I'm not sure what to include here. It seems like it's just working really slow "right out of the box".
Any ideas why this may be, or what I can do to fix/test this?

Deployment PHP App to Google App Engine took so long time

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This is my screenshot for my console, and this is Google Cloud Status Dashboard at the same time.
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Did Google migrate old Google app to Google cloud?

I am a company admin and have a simple Java app (no backend, just several mostly static pages assembled through tiles) deployed since Google started the app engine. The site went down a couple of days ago. When I log in and go Admin/App Engine Apps page the app shows with the status "Always on". But it's not running and the message on top states "This feature will be moving to the Google Developers Console in Q2 2015. Follow these instructions to get the new permissions you'll need." Instructions are https://cloud.google.com/developers/articles/best-practices-for-configuring-permissions-on-gcp/#h.bgs0oxofvnoo.
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Where do those requests comes from for the site that I haven't released to public?

I started using Php runtime for hosting my wordpress blog on Google app engine.
I have a bit of confusions over the "Overview" chart that I am seeing.
According to "Running Wordpress guide", the cron job is getting triggered every 2 hours. But I haven't finished the migrations yet so I removed that scheduler to save money. Nobody knows my Google App engine URL.
As you can see "APIs" chart, there is no more requests.
But in "App engine" chart, "Cloud SQL" chart and "Read/Write operations" chart, you can still see some activities that happens regularly. Is there any scheduler or back-end job (except the 2 hours cron job that I disabled already) that makes those requests?
Google costs me around USD 1.* after setting up about four days ago.
What does the App Engine logs say?

Port a live system from App Engine Helper to App Engine Patch

I am running a live system that is currently serving about 20K pages a day which is based on App Engine Helper (Python) with session support provided by AppEngine utilities.
One problem that I have been having is that sessions are occasionally randomly logging out. I would like to try using the App Engine Patch, since it has "native" django session support, but I am worried that this is possibly going to be like doing a brain transplant. Specifically, current database models are all inhereted from BaseModel provided by the App Engine Helper. While, App Engine Patch does not have this inheritance.
Does anyone know if it is possible to migrate a live system from App Engine Helper to App Engine Patch? If so, do you have any advice or warnings that I should heed, before attempting this transition?
Thank you and kind regards
Alex
After further investigations, I discovered that newer versions of Django and App Engine Helper have built in support for sessions. After migrating to this system, my problems of randomly losing sessions have been resolved.
Alex
You should think about porting your system not to App Engine Patch but to Django-nonrel (by app-engine-patch authors).
I moved from google-app-engine-django and app-engine-patch to Django-nonrel is because first two are not maintained any more.

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