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Hi, i think Cake has some issues.
I've read multiple reports on CAKE SQM failing to do its job and massive
bufferbloat.
They still can't find out whats the issue.
I used to have a WNDR3700v4 back in may 2019 and it worked fine, my brother
then wanted me to revert back to oem settings and after a month and half i got
a new router R7800 and for some reason it's failing to do the job with 2 cores
rather than 1 core and more RAM & higher CPU frequency.
Can you please take a look at it.
1. Also, i'm not sure whether its openwrt or cake thats responsible for listing
the link layer adaption but you guys say its
44.https://openwrt.org/docs/guide-user/network/traffic-shaping/sqm
https://openwrt.org/docs/guide-user/network/traffic-shaping/sqm-details
https://forum.openwrt.org/t/your-post-in-sqm-high-latency/40018/35
While on this site, it says to choose NONE if you have
fiber.https://www.bufferbloat.net/projects/cerowrt/wiki/Setting_up_SQM_for_CeroWrt_310/
https://forum.openwrt.org/t/your-post-in-sqm-high-latency/40018/35
Articles on issues with Cake
SQM:https://forum.openwrt.org/t/r7800-sqm-settings-keep-causing-bufferbloat/39720
<- This is my thread on my issue with the R7800. I also have a private message
with mindwolf but can't send it to anyone as no option for sharing.
https://forum.openwrt.org/t/startup-initscripts-enabled-or-disabled-by-default-also-sqm-question/37364/7
<- Older article with my Wndr3700v4 router that was working great.
https://forum.openwrt.org/t/sqm-high-latency/1087/93
https://forum.openwrt.org/t/sqm-has-no-effect/39825
https://forum.openwrt.org/t/sqm-no-change-in-dslreports-test/37037
3. Below is a email i sent to Dave Taht because i believed maybe he could help
me out with the split-gso setting, with it on by default in SQM even though you
can't change it yourself in the GUI for OpenWrt, it caused me hours of
headaches trying to figure out which setting is causing me massive
bufferbloat.With no-split-gso i was getting less ping/ms bufferbloat in
dslreports. I noticed with split-gso that with it enabled it felt a bit more
less latency but dslreports indicated my pipelines are being hammered with
traffic at 200-500ms.With no-split-gso i was getting maximum was 25ms. Please
take a look at my thread.
----- Forwarded Message ----- From: Dave Taht <dave.t...@gmail.com>To: E
Diable Si <tehrsleg...@yahoo.com>Sent: Thursday, July 11, 2019, 11:41:57 PM
PDTSubject: Re: Split-gso vs No-Split-gso
cake mailing list
On Thu, Jul 11, 2019 at 2:49 PM E Diable Si <tehrsleg...@yahoo.com> wrote:
>
> Didn't quite follow, if you meant mess with Cake settings, I've done that. I
> went with stock settings for CAKE, layer_cake.qos or piece_of_cake.qos and it
> did not perform well. Ihad issues with my bufferbloat tests reach from around
> 100ms and stayed around 250-450ms and peaks to 1100ms.
I did everything imo i could, my tests were inconclusive until mindwolf gave me
some tips and advice by going at it by CLI rather than SQM in GUI and realized
my issues has much to do with split-gso test.
If only i can send you a private message SHARED of what i sent to mindwolf, i
would love to see if you can detect something i've missed, split-gso should be
better for latency.
> Have you wondered that with some latency settings like split-gso, you
> actually can feel the less latency in your mouse movements?
It doesn't feel like your mouse skates are binding/sticking to your mouse pad.
I might redo my tests once more time with SQM in GUI and delete all commands
from local startup.
Some said my issues had to do with my R7800 router as it has problems with the
CPU freq dropping back to idle maybe causing the higher ping so i went with
performance governor and been testing for 2 weeks.
>
> On Thursday, July 11, 2019, 02:26:19 PM PDT, Dave Taht <dave.t...@gmail.com>
> wrote:
>
>
> sure, but interact with the cake list, not me?
>
> On Thu, Jul 11, 2019 at 2:15 PM E Diable Si <tehrsleg...@yahoo.com> wrote:
> >
> > I've read your tests but i got something totally different. Could you take
> > a look?
> >
> > Is there any way i can send you the private messages i had with another
> > user on openwrt forums to take a look at the test i performed because i got
> > tons of bufferbloat right after i enabled split-gso. With SQM in LuCI GUI,
> > it doesn't perform right for me. I keep getting massive ping spiking to
> > 200ms-1000ms.
> >
> > https://lists.bufferbloat.net/pipermail/cake/2018-July/004182.html
>
>
>
>
> --
>
> Dave Täht
> CTO, TekLibre, LLC
> http://www.teklibre.com
> Tel: 1-831-205-9740
--
Dave Täht
CTO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-831-205-9740
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