My guess is your ethernet device does not have BQL. To check, cd /sys/class/net/your_device/queues/tx-0/byte_queue_limits and see if you have a limit other than 0.
On Thu, Jan 3, 2019 at 9:16 AM Dev <d...@logicalwebhost.com> wrote: > > Dev <d...@logicalwebhost.com> writes: > > > I’m running Debian Buster, trying to saturate a link, enable fq_codel > > and drop my ping times back down, but they seem to stay high. > > > > I connected machine A and B to a gig switch, then dropped the port > > speed on machine A like: > > > > ethtool -s enp8s0 advertise 0x002 > > > From which machine are you running the test? If your bottleneck is the > > switch, that is where the buffering will happen; FQ-CoDel on the host > > can do nothing about that... > > > -Toke > > I’m running the test from machine A, my Debian Buster server, so that’s the > interface I’ve set to 10Mbps. Basically trying to follow the howto on the > website, but my ping times aren’t dropping once fq_codel is enabled. > > -Dev > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat -- Dave Täht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740 _______________________________________________ Bloat mailing list Bloat@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/bloat
