On 04/17/2018 06:53 AM, Wang Jian wrote: > I test the fix with 4.17.0-rc1+ and it seems work. > > 1. iperf -c IP -i 20 -t 60 -w 1K > with-fix vs without-fix : 1.15Gbits/sec vs 1.05Gbits/sec > I also try other windows and have similar results. > > 2. Use tcp probe trace snd_wind. > with-fix vs without-fix: 1245568 vs 1042816 > > 3. I don't see extra retransmit/drops. >
Unfortunately I have no idea what exact problem you had to solve. Setting small windows is not exactly the path we are taking. And I do not know how many side effects your change will have for 'standard' flows using autotuning or sane windows.
