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Re: NGiNX_HTTP_Push_Module

kisulja2000@mail.ru
September 06, 2011 02:12AM
Здравствуйте,

Спасибо всем, кто откликнулся.

Сергей

06.09.2011 10:07, Eugene Batogov пишет:
> Ответ от разработчика модуля:
>
> Nginx's chunked filter is used, in normal applications, when you set
> the response content length as -1, which means you don't know the size
> of response body and will send it in chunks.
>
> This filter allocate extra memory to each chunk sent to add chunk size
> and an extra CRLF, and only release this memory when the connection
> goes off. In a streaming connection this might "never" happen.
>
> In this module the same message will be sent to many subscribers.
> Imagine allocate this extra memory to each connection...
>
> What I do is, disable the Nginx's chunked filter, format the chunk by
> myself and send the same message to all the subscribers.
>
> This filter is disabled in any location which use the push stream
> module, but only subscriber connection would use it in fact.
>
> At the company I work for we have 3 products in production using the
> push stream module, without problems.
>
> If you plan to use nginx with chunked responses pay attention at
> chunked filter. If you plan to use the push stream module, don't
> worry, it is working very well.
>
> And if you have any problem or doubt send me a message.
>
> Regards,
> Wanden
>
> 6 сентября 2011 г. 0:40 пользователь Михаил Монашёв
> <postmaster@softsearch.ru <mailto:postmaster@softsearch.ru>> написал:
>
> Здравствуйте, Eugene.
>
> > Мы используем его в продакшене уже как 2 года.
> > Нагрузка ~ 20000 одновременных пользователей.
> > Но лучше использовать не его, модуль:
> > https://github.com/wandenberg/nginx-push-stream-module
> > Этот модуль является продолжением NGiNX_HTTP_Push_Module.
> > + у него нормальная поддержка и корректная работа с nginx и
> выделением памяти.
> > мы используем последний nginx: 1.1.2 + последняя версия
> nginx-push-stream-module (0.2.5)
> > Этот модуль тестировали на 100K пользователей на сервер.
> Проблем не было.
>
> Там на сайте написано:
> Attention
>
> This module controls everything needed to send the messages to
> subscribers.
> So it disable Nginx▓s chuncked filter to reduce memory consumption
> in streaming connections.
>
> Он чанки отключает для всего nginx-а или только для своих локейшнов?
>
> --
> С уважением,
> Михаил mailto:postmaster@softsearch.ru
> <mailto:postmaster@softsearch.ru>
>
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>
>
>
>
> --
> С уважением Eugene Batogov (RU: Батогов Евгений Владимирович) a.k.a.
> JohnBat26
> e-mail: JohnBat26@yahoo.com <mailto:JohnBat26@yahoo.com>,
> JohnBat26@gmail.com <mailto:JohnBat26@gmail.com>, JohnBat26@yandex.ru
> <mailto:JohnBat26@yandex.ru>
> IM: ICQ:198710313, Google/Yahoo/AIM/AOL: JohnBat26, Jabber:
> JohnBat26@jabber.ru <mailto:JohnBat26@jabber.ru>
>
>
> P.S. Java & Gentoo Linux & Google --> FOREVER !!!
>
>
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