Message queues decouple producers from consumers. Producers push messages, consumers pull at their own pace. If consumers are slow, messages wait in the queue. This prevents system overload.

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mediumPhase 9 · Async & Message Queues 5 min read

Message Queues

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Interactive — Try it yourself!

How to use

1Watch producers (left) send messages to the queue

2Queue fills up — consumers (right) process them

3Click "Kill" on a consumer — queue backs up!

4Adjust speed slider to see backpressure

5Click "Burst" to flood the queue

In a nutshell

Message queues decouple producers from consumers. Producers push messages, consumers pull at their own pace. If consumers are slow, messages wait in the queue. This prevents system overload.

Discussion

0 comments