Default-blocking-io-dispatcher in Akka HTTP

[eugenemiretsky]

@jrudolph
Having a somewhat similar issue here - don’t seem to be able to tune the client to get good performance.

1000+ actors with Akka Http Client

Hey, We are running an application that reads from s3 and makes POST HTTP calls. We are able to get around 2k TPS with another client, but cannot get more than 500 with Akka HTTP. We are also seeing 1000s of actors being created. At some point we had as many as 15K. Is the number of actors expected? Tried to see if the client is creating an actor per request, but couldn’t find anything If it is not expect, what kind of config/code error can lead to that? Akka Http version: 10.1.10 Akka ve…