Question

What happens when an AppEngine instance shuts down?

I am wondering if there is any documentation or other discussion outlining what happens inside a Docker container in App Platform as it is shut down?

Does the process get sent a particular signal? Is it given any grace period to shut itself down safely? Does this vary between services and workers?

Outside the container, how does the cut-over work? Are the new containers all brought up and then it switches at the load-balancer level?

Apologies if I am missing this in the documentation, I have read what I think are the relevant pages, and I can’t see anything talking it at this level.


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