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Re:Queues Don't Fix Overload by paulsutter on Thursday November 20, 2014 @06:30AM (#8635236)
Queues have two advantages:

- You can plan for average utilization not peak utilization,

- You can move lower priority work out of the latency sensitive / rapid response code path

So no, they don't magically increase total capacity, but they are a useful tool for managing system performance.

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