[Cake] Cake vs fq_codel and c/burst on an ER-X bridge

Sebastian Moeller moeller0 at gmx.de
Wed Sep 19 09:27:58 EDT 2018


Hi Dave, hi All,

so I tried to run with this idea and prototyped something into the burst_by_duration branch at the sqm repository. Would be interested to hear whether that does "the right thing" with your APU or on other's devices? The key variable is TARGET_BURST_DUR_MS in defaults.sh. Let me know how this performs for you (or whether there are bugs). As Toke proposed elsewhere I will try to streamline that branch to only configure burst size by duration so expect some changes in organization, but it should keep functional.

Best Regards
	Sebastian

> On Sep 11, 2018, at 10:20, Dave Taht <dave.taht at gmail.com> wrote:
> 
> What I "fixed" was on the apu2 with the burst/cburst change, I went
> from completely bottlenecked on one softirq to having 3 eat cpu, and
> from 400mbps to 900mbps. Now, that's a quad core and the e1000 (?)
> driver. The edgerouter X is a dual core, and you did see a small
> improvement in throughput, but I'd hoped for more.



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