backpressure
Let consumer capacity constrain how fast producers send work.
Use this when An event queue grows faster than the application can process it.
without the term
“Events come in faster than we can process them, the queue in memory keeps growing, and eventually the process runs out of memory. What should happen when we can't keep up?”
with the term · How do you ask a model for backpressure?
Add backpressure to this pipeline. Bound queued work, define the full-buffer policy, and test with a deliberately slow consumer.
What is backpressure?
Backpressure coordinates production with consumption so pending work does not grow without a deliberate bound.
Why does backpressure matter when vibe coding?
An unbounded queue can look responsive initially while memory and latency keep growing.
How do you do backpressure?
Select a bounded buffer and decide whether producers wait, reject, or drop specified work when it is full.
What goes wrong with backpressure?
Dropping events silently when every event is required.
Sources for this entry
- Node.js: Backpressuring in streams
A producer must respect downstream capacity to avoid unbounded buffering.
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