Reactive Streams · interview question
How would you explain a potential consequence of not implementing proper backpressure in a reactive stream in an interview?
Multiple choiceHardchapter-19-curatedpremiumreactive-streamsnon-blocking-i-o-event-loops
Answer and explanation
Correct answer
A. The subscriber may become overwhelmed and crash.
Why
Without proper backpressure, a subscriber may receive more data than it can process, leading to resource exhaustion or crashes, as the system cannot effectively manage flow control.
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