A materializer makes actors execute a graph to produce those results. A graph, in its simplest form, consists of a source that provides elements, and a sink that consumes elements. Here's a source that provides a range of integers (in this example, integers are our elements): val source = Source(1 to 10)

What is Akka framework used for?

What is Akka? Akka provides a platform to build scalable, resilient and responsive applications in Scala and Java. The Akka framework provides good abstractions for concurrent, asynchronous, and distributed programming, such as Actors, Streams, and Futures.

What is Akka flow?

Akka Streams is a library to process and transfer a sequence of elements using bounded buffer space. This latter property is what we refer to as boundedness, and it is the defining feature of Akka Streams. ... Akka Stream processing entities have bounded “mailboxes” that do not drop.