Hello, I hope this is the correct group for this question...

I have an existing pipe-line process written in Actor using the "Work 
Pulling" pattern.

http://www.michaelpollmeier.com/akka-work-pulling-pattern/

The first stage of my pipeline is a database query written in Slick.  The 
result is very big, and will not fit in memory.  Therefore, I want to use 
the new Slick streaming interface.

http://slick.typesafe.com/doc/3.0.0/dbio.html#streaming

However, Reactive Streams seem to be at odds with Work-Pulling.  How can I 
pause the stream until my Actors are ready to pull some more data?

How do I interface a Reactive Stream to a Work-Pulling system?  Is the a 
document, example code, slides, or idiom that deals with this?

Many thanks
P

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