On Tue, Feb 20, 2018 at 11:35 AM, Oleksandr Natalenko <oleksa...@natalenko.name> wrote: > Hi. > > On úterý 20. února 2018 19:57:42 CET Eric Dumazet wrote: >> Actually timer drifts are not horrible (at least on my lab hosts) >> >> But BBR has a pessimistic way to sense the burst size, as it is tied to >> TSO/GSO being there. >> >> Following patch helps a lot. > > Not really, at least if applied to v4.15.4. Still getting 2 Gbps less between > VMs if using BBR instead of Reno. > > Am I doing something wrong?
I am not trying to compare BBR and Reno on a lossless link. Reno is running as fast as possible and will win when bufferbloat is not an issue. If bufferbloat is not an issue, simply use Reno and be happy ;) My patch helps BBR only, I thought it was obvious ;)
