[Bloat] link saturation test failing

Dev dev at logicalwebhost.com
Thu Jan 3 12:16:24 EST 2019


Dev <dev at 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


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