Design a Distributed Message Queue · System Design Interview

Design a Distributed Message QueueDesign the queue other teams publish their events into and consume them from, running across a cluster of machines.What it has to do

Publish a message to a topic, and consume it from a group of consumers

A published message survives the loss of a machine

Adding consumers spreads the work across them

Scale

Messages per day: 500 billion

Bytes written per day: 5 PB

Topics: 100,000

Out of scope

Stream processing and aggregation

Schema management

Access control

The client library’s API

Practise this challengeAll system design challenges

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