Hi, we generally use ask pattern to handle request-response between client 
and Akka Cluster. The client waits on the Future. We have a need where the 
response size (~150MB) is too large to fit in one message even after 
increasing message-frame-size to -

    maximum-payload-bytes = 50000000 bytes
    netty.tcp {
      message-frame-size = 50000000b
      send-buffer-size = 50000000b
      receive-buffer-size = 50000000b
      maximum-frame-size = 50000000b
    }

We don't like keep increasing the above limits. So one possibility is to 
break the response in small chunks, but then how to handle on the Future 
side using the ask pattern. The other possibility may be to use GraphStage 
between Actors to stream the response back. Is that a viable solution? Is 
there any example out there?

Thanks,
Sumanta

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