Re: [PATCH] tcp: cwnd does not increase in TCP YeAH

2016-09-06 Thread David Miller
From: Artem Germanov Date: Sun, 4 Sep 2016 21:03:27 -0700 > Commit 76174004a0f19785a328f40388e87e982bbf69b9 > (tcp: do not slow start when cwnd equals ssthresh ) > introduced regression in TCP YeAH. Using 100ms delay 1% loss virtual > ethernet link kernel 4.2 shows bandwidth ~500KB/s for single T

Re: [PATCH] tcp: cwnd does not increase in TCP YeAH

2016-09-05 Thread Neal Cardwell
On Mon, Sep 5, 2016 at 12:03 AM, Artem Germanov wrote: > > Commit 76174004a0f19785a328f40388e87e982bbf69b9 > (tcp: do not slow start when cwnd equals ssthresh ) > introduced regression in TCP YeAH. Using 100ms delay 1% loss virtual > ethernet link kernel 4.2 shows bandwidth ~500KB/s for single TCP

[PATCH] tcp: cwnd does not increase in TCP YeAH

2016-09-04 Thread Artem Germanov
Commit 76174004a0f19785a328f40388e87e982bbf69b9 (tcp: do not slow start when cwnd equals ssthresh ) introduced regression in TCP YeAH. Using 100ms delay 1% loss virtual ethernet link kernel 4.2 shows bandwidth ~500KB/s for single TCP connection and kernel 4.3 and above (including 4.8-rc4) shows