nallwhy
I made a toy project that provides a simple API for testing.
This project is served via fly.io.
Here is my fly.io configuration below. I configured services.concurrency.hard_limit to 10000.
https://github.com/nallwhy/json_corp/blob/main/fly.toml
I wanted to do a load test for this project. Below is the code I used for the load test.
https://github.com/nallwhy/test_api/blob/main/notebooks/load_test.livemd
When I run the code that tests with req, about 200 requests returns ok and other requests returns error %Mint.TransportError{reason: :closed}.
How can I increase max concurrent request of Phoenix on fly.io?
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LostKobrakai
Are you sure it’s the currency limit you run into and not the instance(s) being overwhelmed?
msimonborg
There was a discussion about this on the fly.io community forum a few days ago max concurrency can not be greater than 300 - #4 by fxsjy - Fly.io
I think that the issue is exactly what you’re experiencing here, and was answered by the fly team.