[Bloat] CAKE in openwrt high CPU

Jonathan Foulkes jf at jonathanfoulkes.com
Tue Sep 1 15:01:13 EDT 2020


Thanks Toke, we currently are on an MT7621a @880, so a dual-core.
And we are looking for a good quad-core platform that will support 600Mbps or more with Cake enabled, hopefully with AX radios as well.

Jonathan

> On Sep 1, 2020, at 12:11 PM, Toke Høiland-Jørgensen <toke at toke.dk> wrote:
> 
> Jonathan Foulkes <jf at jonathanfoulkes.com> writes:
> 
>> Toke, that link returns a 404 for me.
> 
> Ah, seems an extra character snuck in at the end - try this:
> 
> https://github.com/dtaht/sch_cake/commit/3152477235c934022049fcddc063c45d37ec10e6
> 
>> For others, I’ve found that testing cake throughput with isolation options enabled is tricky if there are many competing connections. 
>> Like I keep having to tell my customers, fairness algorithms mean no one device will ever gain 100% of the bandwidth so long as there are other open & active connections from other devices.
>> 
>> That said, I’d love to find options to increase throughput for
>> single-tin configs.
> 
> Yeah, doing something about this is on my list, one way or another. Not
> sure how much more we can do in terms of overhead, so we may have to go
> for multi-q (and multi-CPU) support. How many CPU cores does the
> IQrouter have?
> 
> -Toke



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