Subject: Re: [PATCH RFC] net: decrease the length of backlog queue immediately after it's detached from sk

From: Yang Yingliang <[email-masked]>
Date: Mon, 11 Apr 2016 19:57:26 +0800

On 2016/4/8 22:44, Eric Dumazet wrote:
> On Fri, 2016-04-08 at 19:18 +0800, Yang Yingliang wrote:
>
>> I expand  tcp_adv_win_scale and tcp_rmem. It has no effect.
>
> Try :
>
> echo -2 >/proc/sys/net/ipv4/tcp_adv_win_scale
>
> And restart your flows.
>
cat /proc/sys/net/ipv4/tcp_rmem
10240 2097152 10485760

echo 102400 20971520 104857600 > /proc/sys/net/ipv4/tcp_rmem
echo -2 >/proc/sys/net/ipv4/tcp_adv_win_scale

It seems has not effect.