Three teams. One queue. Everyone missed messages.

Frequently asked questions

Why did three teams reading one Service Bus queue each only get a third of the messages?

A queue's readers are competing consumers — each message goes to exactly one of them, so adding more readers to the same queue divides the work rather than giving everyone a copy.

What actually gives every team its own copy of a message?

A subscription on a topic, not a second reader on a queue. Each subscription gets its own copy of every message that matches its filter, which is duplication rather than division.

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