queue: add new BackpressureQueue[T] variant #9838
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In this commit, we add a new type of queue: the back pressure queue. This is a bounded queue based on a simple channel, that will consult a predicate to decide if we should preemptively drop a message or not. We then provide a sample predicate for this use case, based on random early dropping. Given a min and max threshold, we'll start to drop message randomly once we get past the min threshold, ramping up to the max threshold where we'll start to always drop the message.
Roasbeef
added
enhancement
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In this commit, we add a new type of queue: the back pressure queue. This is a bounded queue based on a simple channel, that will consult a predicate to decide if we should preemptively drop a message or not.
We then provide a sample predicate for this use case, based on random early dropping. Given a min and max threshold, we'll start to drop message randomly once we get past the min threshold, ramping up to the max threshold where we'll start to always drop the message.