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Logically, comparing two similar infrastructures, it is expected that the closer to the request
user respond more quickly.
For web applications in AWS in general (not being real time), the difference between regions is significant?
I ask because I would like to use Cloudfoundry to deploy my apps, but I only see it available via the US-East region. I’m afraid my application will be slow because it would be restricted to users from Brazil.
I appreciate the answer but I wanted something more comprehensive about the influence of latency on the performance of the application. Is it just adding latency to the response time of every request? Times two because the request has to go to the user and go back to the server?
– Leonardo Pessoa
It’s actually a little more complicated, because it depends a lot on the application and how it behaves. The number of requests, and the distribution of response times, influence a lot. If you want something deeper, I recommend Brendan Gregg’s book and lectures
– Julio Faerman