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To: Sebastian Moeller <moeller0@gmx.de>, Stuart Cheshire <cheshire@apple.com>
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Date: Fri, 22 Jan 2021 22:09:27 +0100
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Subject: Re: [Bloat] UniFi Dream Machine Pro
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Sebastian Moeller <moeller0@gmx.de> writes:

> I am confident that this device will happily run CoDel and even
> fq_codel close to line-rate, as codel/fq_codel have a relative modest
> processing cost.

Yeah, the overhead of CoDel itself (and even FQ-CoDel) is basically nil
(as in, we have not been able to measure it), when otherwise doing
forwarding using the regular Linux stack.

As Sebastian says, the source of lower performance when using SQM on
some boxes is the traffic shaper, and sometimes the lack of hardware
offloads.

-Toke