Bug#890343: marked as done (systemd: Debian could use the fq_codel network queuing algorithm by default)
Your message dated Mon, 03 Jan 2022 19:00:30 +0000
with message-id <E1n4SZK-000Bzz-EQ@fasolo.debian.org>
and subject line Bug#890343: fixed in linux 5.16~rc8-1~exp1
has caused the Debian Bug report #890343,
regarding systemd: Debian could use the fq_codel network queuing algorithm by default
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
890343: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890343
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
- To: Debian BTS submission <submit@bugs.debian.org>
- Subject: systemd: Debian could use the fq_codel network queuing algorithm by default
- From: Laurent Bonnaud <L.Bonnaud@laposte.net>
- Date: Tue, 13 Feb 2018 17:58:51 +0100
- Message-id: <b48d19da-0be2-f632-a1d3-efccd2f69f1f@laposte.net>
Package: systemd
Version: 237-2
Severity: normal
Dear Maintainer,
by default Debian uses the pfifo_fast network queuing algorithm:
# tc -s qdisc show
[...]
qdisc pfifo_fast 0: dev eth0 root refcnt 2 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
Sent 413728102 bytes 475015 pkt (dropped 0, overlimits 0 requeues 785)
backlog 0b 0p requeues 785
The systemd source package contains this file:
./systemd-237/sysctl.d/50-default.conf:net.core.default_qdisc = fq_codel
whose purpose is to set the default queuing algorithm to fq_codel. According to the NEWS file, this is a better alternative:
* The default sysctl.d/ snippets will now set:
net.core.default_qdisc = fq_codel
This selects Fair Queuing Controlled Delay as the default
queuing discipline for network interfaces. fq_codel helps
fight the network bufferbloat problem. It is believed to be
a good default with no tuning required for most workloads.
Downstream distributions may override this choice. On 10Gbit
servers that do not do forwarding, "fq" may perform better.
Systems without a good clocksource should use "pfifo_fast".
However the 50-default.conf file is not in the Debian binary package.
Is this intentional or an omission?
Could it be possible to enable fq_codel by default?
-- Package-specific info:
-- System Information:
Debian Release: buster/sid
APT prefers unstable-debug
APT policy: (500, 'unstable-debug'), (500, 'unstable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 4.14.0-3-rt-amd64 (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages systemd depends on:
ii adduser 3.117
ii libacl1 2.2.52-3+b1
ii libapparmor1 2.12-2
ii libaudit1 1:2.8.2-1
ii libblkid1 2.31.1-0.1
ii libc6 2.27-0experimental0
ii libcap2 1:2.25-1.2
ii libcryptsetup12 2:2.0.1-1
ii libgcrypt20 1.8.2-1
ii libgpg-error0 1.27-6
ii libidn11 1.33-2.1
ii libip4tc0 1.6.2-1
ii libkmod2 25-1
ii liblz4-1 0.0~r131-2+b1
ii liblzma5 5.2.2-1.3
ii libmount1 2.31.1-0.1
ii libpam0g 1.1.8-3.7
ii libseccomp2 2.3.1-2.1
ii libselinux1 2.7-2+b1
ii libsystemd0 237-2
ii mount 2.31.1-0.1
ii procps 2:3.3.12-4
ii util-linux 2.31.1-0.1
Versions of packages systemd recommends:
ii dbus 1.13.0-1
ii libpam-systemd 237-2
Versions of packages systemd suggests:
ii policykit-1 0.113-6
pn systemd-container <none>
Versions of packages systemd is related to:
pn dracut <none>
ii initramfs-tools 0.130
ii udev 237-2
--
Laurent.
--- End Message ---
--- Begin Message ---
Source: linux
Source-Version: 5.16~rc8-1~exp1
Done: Salvatore Bonaccorso <carnil@debian.org>
We believe that the bug you reported is fixed in the latest version of
linux, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 890343@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Salvatore Bonaccorso <carnil@debian.org> (supplier of updated linux package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Mon, 03 Jan 2022 17:47:35 +0100
Source: linux
Architecture: source
Version: 5.16~rc8-1~exp1
Distribution: experimental
Urgency: medium
Maintainer: Debian Kernel Team <debian-kernel@lists.debian.org>
Changed-By: Salvatore Bonaccorso <carnil@debian.org>
Closes: 890343
Changes:
linux (5.16~rc8-1~exp1) experimental; urgency=medium
.
* New upstream release candidate
.
[ YunQiang Su ]
* [mips*] unify installer flavors
* [mips*] add generic platform and remove 5kc-malta from 32bit ports
.
[ Alper Nebi Yasak ]
* [armhf,arm64] drivers/gpu/drm/panel: Enable DRM_PANEL_EDP as module
* [arm64] Include panel-edp in fb-modules udeb
.
[ Noah Meyerhans ]
* net: Use fq_codel as the default network qdisc (Closes: #890343)
.
[ Salvatore Bonaccorso ]
* [rt] Update to 5.16-rc8-rt13
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