I use Alpakka S3 to stream data to and from storage. In application.conf I have akka.http.host-connection-pool.max-open-requests = 128, but during stress testing, I get an “Exceeded configured max-open-requests value of [32]” in log. Why 32 if I set 128? How to fix it?

I forked your project and started debugging, because I was very interested what is going on. It turns out for the upload, the breakpoint does get triggered, but for the download it does not… So for the upload the correct config is used, but for the download it is not… (Note we are just talking ab…

Exceeded configured max-open-requests value of [32]

Play Framework

mkurz (Matthias Kurz) May 12, 2021, 12:38pm 6

Also here another post: Questions about akka-http, alpakka s3 in Play

It seems there the max-open-requests config with the value 1024 was picked up correctly as well…

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Exceeded configured max-open-requests value of [32]

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