Welcome! Log In Create A New Profile

Advanced

Re: 100ms delays in FreeBSD 8.x

September 03, 2010 05:26AM
On Fri, Sep 03, 2010 at 01:26:24AM +0300, Vladislav V. Prodan wrote:

> В 9.0-CUPRRENT тоже есть:
> # sysctl net.inet.tcp | grep del
> net.inet.tcp.delacktime: 100
> net.inet.tcp.delayed_ack: 1
> # uname -a
> FreeBSD solo.XXXX.biz 9.0-CURRENT FreeBSD 9.0-CURRENT #0: Tue Aug 24
> 15:52:21 EEST 2010

Проблема не столько в delayed ack, сколько в ошибке, из-за которой
игнорируются

net.inet.tcp.local_slowstart_flightsize (4)
net.inet.tcp.slowstart_flightsize (1)

Особенно хорошо это заметно на локальных сетях (в том числе и для
loopback), для которых используется local_slowstart_flightsize.
При дефолтном значении slowstart_flightsize (1) ошибка не видна.

> 02.09.2010 20:44, Maxim Dounin пишет:
> > Hello!
> >
> > On Thu, Sep 02, 2010 at 12:52:20PM -0400, Alex Sergeyev wrote:
> >
> >> но интересно узнать тогда как задержки появляются при проксировании
> >> localhost? BSD же не делает delayed ack?
> >
> > Кто сказал что не делает? Ещё как делает, те самые 100ms по
> > умолчанию.
> >
> > $ sysctl net.inet.tcp | grep del
> > net.inet.tcp.delacktime: 100
> > net.inet.tcp.delayed_ack: 1
> >
> > Maxim Dounin


--
Игорь Сысоев
http://sysoev.ru

_______________________________________________
nginx-ru mailing list
nginx-ru@nginx.org
http://nginx.org/mailman/listinfo/nginx-ru
Subject Author Posted

100ms delays in FreeBSD 8.x

Igor Sysoev September 02, 2010 11:18AM

Re: 100ms delays in FreeBSD 8.x

Михаил Монашёв September 02, 2010 12:28PM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 02, 2010 12:46PM

Re: 100ms delays in FreeBSD 8.x

Alex Sergeyev September 02, 2010 12:54PM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 02, 2010 01:46PM

Re: 100ms delays in FreeBSD 8.x

Alex Sergeyev September 02, 2010 01:56PM

Re: 100ms delays in FreeBSD 8.x

Vladislav V. Prodan September 02, 2010 06:28PM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 03, 2010 05:26AM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 03, 2010 07:14AM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 03, 2010 07:34AM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 03, 2010 09:12AM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 03, 2010 09:22AM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 03, 2010 09:42AM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 02, 2010 02:38PM

Re[2]: 100ms delays in FreeBSD 8.x

Михаил Монашёв September 02, 2010 01:24PM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 02, 2010 02:00PM

Re: 100ms delays in FreeBSD 8.x

Alex Sergeyev September 02, 2010 02:26PM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 02, 2010 02:34PM

Re: 100ms delays in FreeBSD 8.x

Alex Sergeyev September 02, 2010 02:38PM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 03, 2010 09:16AM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 03, 2010 09:24AM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 10, 2010 03:14AM

Re: 100ms delays in FreeBSD 8.x

Vladislav V. Prodan September 10, 2010 03:52AM

Re: 100ms delays in FreeBSD 8.x

Igor Sysoev September 10, 2010 03:54AM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 13, 2010 12:40AM

Re: 100ms delays in FreeBSD 8.x

Alex Sergeyev September 03, 2010 09:26AM

Re: 100ms delays in FreeBSD 8.x

Maxim Dounin September 03, 2010 09:54AM

Re: 100ms delays in FreeBSD 8.x

Михаил Монашёв September 04, 2010 05:30PM



Sorry, only registered users may post in this forum.

Click here to login

Online Users

Guests: 305
Record Number of Users: 8 on April 13, 2023
Record Number of Guests: 500 on July 15, 2024
Powered by nginx      Powered by FreeBSD      PHP Powered      Powered by MariaDB      ipv6 ready