February 2019
Intermediate to advanced
442 pages
11h 46m
English
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Backpressure
One of the important concepts that you should know about in Reactive Programming is backpressure. It significantly improves Reactive Programming over the traditional code. What exactly is it? It is considered as one of the non-blocking regulatory mechanisms used to send asynchronous messages or feedback to the source of a stream for load regulation. Communication back to the stream sender could possibly be a request or alert to stop. However, it could also be about the receiver's intent to process more messages. The communication back to the sender has to be non-blocking. This is important.
Consider the situation where observables (source of an event) send out the data at a higher rate than the subscribers can actually handle. ...