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=== Key Concepts === ==== Demand and Backpressure ==== The demand-driven nature of GenStage ensures that consumers pull events from producers only when they are ready to process them. This concept, known as demand-driven backpressure, allows stages to apply flow control and prevent overload in the system. ==== Producers ==== Producers generate events that are consumed by downstream stages. They can be any data source, such as databases, message queues, or live streams. By implementing the `GenStage` behavior, developers can define the interface required by producers to participate in the pipeline. ==== Consumers ==== Consumers are responsible for processing events received from upstream stages. They declare their demand and handle events when they become available. Consumers can be designed to perform various tasks, such as data transformation, filtering, or aggregation. ==== Stages ==== Stages act as intermediaries between producers and consumers, facilitating the flow of events. They determine how events are distributed and handle the backpressure mechanism. By defining a set of callbacks, stages can control the behavior of producers and consumers in the pipeline.
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