Sockets unreliable once deployed

[jg...@marblemedia.com]

I am working on building a prototype atm that utilizes nodeJs, express, and express-ws. The app utilizes websockets for sending data to client views. When i test the app locally through the emulator I get 100% of the responses back. When i test on gcloud appspot server the websocket sends are only received maybe 30% of the time. I am not sure what the issues is. Is gcloud a reasonable platform for this type of activity?

[Zachary Newman]

-google-c...@googlegroups.com, which is for questions about the Cloud SDK specifically (not the deployed environment).

+google-c...@googlegroups.com, which is a better venue for this sort of question.

On Tue, Jun 21, 2016 at 11:22 AM, <jg...@marblemedia.com> wrote:

I am working on building a prototype atm that utilizes nodeJs, express, and express-ws. The app utilizes websockets for sending data to client views. When i test the app locally through the emulator I get 100% of the responses back. When i test on gcloud appspot server the websocket sends are only received maybe 30% of the time. I am not sure what the issues is. Is gcloud a reasonable platform for this type of activity?

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[jg...@marblemedia.com]

Doing a bit more investigation into logs. The callback for the client.send() never gets fired so no error is being logged.

[Zachary Newman]

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[Adam (Cloud Platform Support)]

There are some issues using Web Sockets on the App Engine flexible environment. See the following issue tracker entries for details: 

https://code.google.com/p/googleappengine/issues/detail?id=12760

https://code.google.com/p/googleappengine/issues/detail?id=11570

https://code.google.com/p/googleappengine/issues/detail?id=11618

As a workaround you may need to host your application on Google Compute Engine instances directly.