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From: Dave Taht <dave.taht@gmail.com>
To: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Cc: bloat@lists.bufferbloat.net
Subject: Re: [Bloat] Best practices for paced TCP on Linux?
Date: Sat, 7 Apr 2012 12:02:27 -0700	[thread overview]
Message-ID: <CAA93jw5YDG1P21JsPZJEDtS0r3BTsfdZ=x7XB2RmAWjyHeLxwg@mail.gmail.com> (raw)
In-Reply-To: <20120407185456.GE21452@uio.no>

On Sat, Apr 7, 2012 at 11:54 AM, Steinar H. Gunderson
<sgunderson@bigfoot.com> wrote:
> On Sat, Apr 07, 2012 at 11:50:24AM -0700, Dave Taht wrote:
>> net.core.wmem_max = 256000 # or less. or more. 5Mbit stream...fairly
>> short rtts... hmm.. no brain cells. no sleep. ?
>>
>> This is another parameter that may apply, the last value should be changed.
>>
>> net.ipv4.tcp_wmem = 4096 65536 2097152
>
> I did these on one of the irrors (well, I did 500000 instead of 256000).
> You can try
>
>  http://pannekake.samfundet.no:3013/ (SD)
>  http://pannekake.samfundet.no:3015/ (HD)
>
> I didn't restart VLC; I hope I don't have to. =)

aguably way too big, even to get stuff to california.
Tried it, same behavior.

And regrettably I think (but am not the expert), that
this is an inheritable property of the socket, so you would
need to restart vlc (or just add another mirror on another port after
changinge  it, or rebuilding vlc to have the right setsock,or perhaps
it has it on the command line)



>
> /* Steinar */
> --
> Homepage: http://www.sesse.net/



-- 
Dave Täht
SKYPE: davetaht
US Tel: 1-239-829-5608
http://www.bufferbloat.net

  parent reply	other threads:[~2012-04-07 19:02 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-06 21:37 Steinar H. Gunderson
2012-04-06 21:49 ` Dave Taht
2012-04-06 22:21   ` Steinar H. Gunderson
2012-04-07 15:08     ` Eric Dumazet
2012-04-07 15:25       ` Dave Taht
2012-04-07 15:35         ` Steinar H. Gunderson
2012-04-07 15:48           ` Dave Taht
2012-04-07 15:52           ` Dave Taht
2012-04-07 17:10           ` Jonathan Morton
2012-04-07 17:18             ` Dave Taht
2012-04-07 17:44               ` Jonathan Morton
2012-04-07 18:10             ` Steinar H. Gunderson
2012-04-07 18:27               ` Jonathan Morton
2012-04-07 18:56                 ` Dave Taht
2012-04-07 18:50               ` Dave Taht
2012-04-07 18:54                 ` Steinar H. Gunderson
2012-04-07 19:01                   ` Steinar H. Gunderson
2012-04-07 19:08                     ` Jonathan Morton
2012-04-07 19:38                     ` Dave Taht
2012-04-07 20:16                       ` Steinar H. Gunderson
2012-04-14  0:37                       ` Rick Jones
2012-04-07 21:13                     ` Jesper Dangaard Brouer
2012-04-07 21:31                       ` Steinar H. Gunderson
2012-04-07 19:02                   ` Dave Taht [this message]
2012-04-07 21:49                 ` Fred Baker
2012-04-07 22:36                   ` Dave Taht
2012-04-07 23:59                     ` Fred Baker
2012-04-07 20:27         ` Neil Davies
2012-04-14  0:35     ` Rick Jones
2012-04-14 21:06       ` Roger Jørgensen
2012-04-16 17:05         ` Rick Jones
2012-04-07 11:54 ` Neil Davies
2012-04-07 14:17   ` Fred Baker
2012-04-07 15:08     ` Neil Davies
2012-04-07 15:16       ` Steinar H. Gunderson
2012-04-14  0:44     ` Rick Jones
2012-04-07 14:48   ` Dave Taht
2012-05-12 20:08 ` Steinar H. Gunderson

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