Backpressure

Q: How deeply does Rust in Action: Systems programming concepts and techniques cover backpressure?

Defines bounded-queue behavior and trade-offs, but stops short of implementing a bounded queue example.

As explained in Rust in Action: Systems programming concepts and techniques

Back pressure is a flow-control mechanism that slows or blocks producers when a consumer or buffer cannot keep up.

Backpressure is flow control for concurrent systems: a bounded queue makes producers slow or wait when the consumer cannot keep up, preventing overload. section 10.4.4

Choosing a queue type involves a practical trade-off:

Bounded queues cap memory usage and protect consumers, but producers must wait for space. section 10.4.4
Unbounded queues avoid producer waiting, but can allow pending messages to grow without a fixed memory limit. section 10.4.4

How Rust in Action: Systems programming concepts and techniques covers it

Cover of Rust in Action: Systems programming concepts and techniques

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Also explained in

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Go in Practice, Second EditionBack pressure is the buildup of pending data when a producer sends faster than a downstream consumer or network can process it.
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Cloud Observability in ActionBackpressure is a flow-control mechanism in which a downstream component signals upstream producers to reduce or regulate data transmission when capacity is constrained.
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Logs and TelemetryBackpressure is a condition in which a downstream component cannot consume events as quickly as an upstream component produces them.
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Clojure: The Essential ReferenceBack-pressure is flow control in which a downstream capacity limit slows or pauses upstream production.
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LatencyBackpressure is a flow-control technique that causes producers to reduce or pause transmission when consumers cannot process incoming data at the same rate.

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Related concepts

bounded queueimplemented by · A bounded queue is a queue with a finite maximum capacity for stored items.
queueaddressed by · A queue is an ordered collection that holds items for retrieval or processing, typically removing them in the order they were added.

This explainer was generated by Manning's knowledge graph from the text of Rust in Action: Systems programming concepts and techniques. The section links point to the parts of the book it draws on.