Minutes from the Ubuntu Kernel Team meeting, 2015-03-24

Philipp Kern pkern at ubuntu.com
Fri Mar 27 12:14:21 UTC 2015

On Tue, Mar 24, 2015 at 10:54:37AM -0700, Dave Taht wrote:
> I must confess I had hoped ubuntu would adopt fq_codel as the default
> qdisc in this go-around. It is still not quite part of fedora´s
> default either, but is now in arch, (and nearly everyone else
> downstream from systemd), and has long been the default in openwrt,
> and at this point, just requires a single sysctl to enable.
> It certainly could use more widespread testing, perhaps in the next release?
> d at nuc-client:~$ cat /etc/sysctl.d/10-bufferbloat.conf
> net.core.default_qdisc=fq_codel

Changing it with the sysctl is a flawed approach, though. If anything
initializes the network interface early (case in point: dropbear
decryption during initrd), then that interface will still adopt
pfifo_fast as its qdisc.

Maybe setting the kernel parameter would be the better option? ;-)

Kind regards
Philipp Kern
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