netdev - Re: [PATCH net-next] tcp: start receiver buffer autotuning sooner

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Date:   Mon, 1 Oct 2018 16:07:05 -0700
From:   Yuchung Cheng <ycheng@...gle.com>
To:     David Miller <davem@...emloft.net>
Cc:     Eric Dumazet <edumazet@...gle.com>,
        netdev <netdev@...r.kernel.org>,
        Neal Cardwell <ncardwell@...gle.com>,
        Wei Wang <weiwan@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>
Subject: Re: [PATCH net-next] tcp: start receiver buffer autotuning sooner

On Mon, Oct 1, 2018 at 3:46 PM, David Miller <davem@...emloft.net> wrote:
> From: Yuchung Cheng <ycheng@...gle.com>
> Date: Mon,  1 Oct 2018 15:42:32 -0700
>
>> Previously receiver buffer auto-tuning starts after receiving
>> one advertised window amount of data. After the initial receiver
>> buffer was raised by patch a337531b942b ("tcp: up initial rmem to
>> 128KB and SYN rwin to around 64KB"), the reciver buffer may take
>> too long to start raising. To address this issue, this patch lowers
>> the initial bytes expected to receive roughly the expected sender's
>> initial window.
>>
>> Fixes: a337531b942b ("tcp: up initial rmem to 128KB and SYN rwin to around 64KB")
>> Signed-off-by: Yuchung Cheng <ycheng@...gle.com>
>> Signed-off-by: Wei Wang <weiwan@...gle.com>
>> Signed-off-by: Neal Cardwell <ncardwell@...gle.com>
>> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
>> Reviewed-by: Soheil Hassas Yeganeh <soheil@...gle.com>
>
> Applied, sorry for applying v1 instead of v2 the the rmem increasing patch.
> :-/
No problem thanks for the fast response!