From: Pete Heist <peteheist@gmail.com>
To: Jonathan Morton <chromatix99@gmail.com>
Cc: "Dave Täht" <dave@taht.net>, "Cake List" <cake@lists.bufferbloat.net>
Subject: Re: [Cake] lan keyword affects host fairness
Date: Fri, 24 Nov 2017 21:24:30 +0100 [thread overview]
Message-ID: <62E918D8-18C2-45E1-ACAD-05CBC0DFA55A@gmail.com> (raw)
In-Reply-To: <CAJq5cE03Q1vt+jffOmHpb4kT4V2LsiWEQbxXLLA7OPU_P2YQKA@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1021 bytes --]
> On Nov 24, 2017, at 8:48 PM, Jonathan Morton <chromatix99@gmail.com> wrote:
> Can I just point out that the four hardware queues will themselves be interfering with the backpressure on short timescales when Cake is in unlimited mode, and can easily explain the poorer host-fairness performance
>
Ok, just for clarity I have a single cake instance at the root, not four of them under mq.
> Conversely, the real performance is seen when the internal shaper is used. What happens if you say "bandwidth 1Gbit ethernet"?
>
Results posted for that with and without ‘lan'. I suppose I’m starting then to lose control of the queue? It's around 1.85:1.
https://docs.google.com/spreadsheets/d/1SMXWw2fLfmBRU622urfdvA_Ujsuf_KQ4P3uyOH1skOM/edit#gid=2072687073 <https://docs.google.com/spreadsheets/d/1SMXWw2fLfmBRU622urfdvA_Ujsuf_KQ4P3uyOH1skOM/edit#gid=2072687073>
Also on the “1Gbit ethernet lan” tab I thought to add the output from “tc -s qdisc” after the test from the server side, for info.
[-- Attachment #2: Type: text/html, Size: 1621 bytes --]
next prev parent reply other threads:[~2017-11-24 20:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-23 9:21 Pete Heist
2017-11-23 9:44 ` Jonathan Morton
2017-11-23 10:25 ` Pete Heist
2017-11-23 17:03 ` Dave Taht
2017-11-24 11:21 ` Toke Høiland-Jørgensen
2017-11-24 12:06 ` Sebastian Moeller
2017-11-24 13:15 ` Marcelo Ricardo Leitner
2017-11-24 13:49 ` Pete Heist
2017-11-24 19:41 ` Pete Heist
2017-11-24 19:48 ` Jonathan Morton
2017-11-24 20:24 ` Pete Heist [this message]
[not found] ` <CAJq5cE2eX4AJCPaBL-FW7Oj_afthXKnZn1RHQPH1VBCJfCyXDg@mail.gmail.com>
2017-11-24 20:32 ` Jonathan Morton
2017-11-25 7:18 ` Pete Heist
2017-11-24 20:03 ` Dave Taht
2017-11-24 20:40 ` Dave Taht
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/cake.lists.bufferbloat.net/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=62E918D8-18C2-45E1-ACAD-05CBC0DFA55A@gmail.com \
--to=peteheist@gmail.com \
--cc=cake@lists.bufferbloat.net \
--cc=chromatix99@gmail.com \
--cc=dave@taht.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