From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: David Lang <david@lang.hm>, Colin_Higbie <CHigbie1@Higbie.name>
Cc: "starlink@lists.bufferbloat.net" <starlink@lists.bufferbloat.net>
Subject: [Starlink] Re: Bufferbloat cure question
Date: Fri, 02 Jan 2026 19:21:56 +0100 [thread overview]
Message-ID: <87o6nbri2j.fsf@toke.dk> (raw)
In-Reply-To: <sosn6297-np2s-4pr0-q2rq-n16n810476n2@ynat.uz>
David Lang via Starlink <starlink@lists.bufferbloat.net> writes:
> Colin_Higbie wrote:
>
>> At 300Mbps or higher, bufferbloat and jitter skyrocket to hundreds of ms, much
>> worse than not using CAKE at all. I can see one of the 4 router CPU cores
>> spikes to 100% at those transfer rates whenever I don't limit bandwidth to
>> something below 280Mbps.
>
> I know I've seen some patches going past in the last couple of months to let
> cake use more than one CPU, so you may want to look at testing those.
The current version of those patches are here:
https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git/log/?h=mq-cake-sub-qdisc
Testing very welcome! I'm planning to resubmit them for upstream
inclusion on Monday :)
-Toke
prev parent reply other threads:[~2026-01-02 18:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <176388152155.1303.12028700061090443748@gauss>
2025-12-31 22:19 ` [Starlink] Bufferbloat cure question Colin_Higbie
2025-12-31 23:18 ` [Starlink] " Sebastian Moeller
2026-01-01 0:13 ` David Lang
2026-01-02 18:21 ` Toke Høiland-Jørgensen [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://lists.bufferbloat.net/postorius/lists/starlink.lists.bufferbloat.net/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87o6nbri2j.fsf@toke.dk \
--to=toke@toke.dk \
--cc=CHigbie1@Higbie.name \
--cc=david@lang.hm \
--cc=starlink@lists.bufferbloat.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox