Unknown directive "thread_pool"

Server NGINX
#1

Hi
First time trying aio threads on linux, and I am getting this error

[emerg] 19909#0: unknown directive “thread_pool” in
/usr/local/nginx/conf/nginx.conf:7

Line7 reads:
thread_pool testpool threads=64 max_queue=65536;

Everything indicates it was built --with-threads, so I’m not sure where
to go from here

nginx -V:
/usr/local/nginx/sbin/nginx -V
nginx version: nginx/1.9.1 built by gcc 4.8.2 (Ubuntu 4.8.2-19ubuntu1)
configure arguments: --with-debug --with-file-aio --with-threads

from configure output:
Configuration summary

  • using threads

Any help appreciated
Thanks
Richard

#2

Hi Richard,

Do you have an Ubuntu package for Nginx installed also (usually
installed in /usr/sbin)? Depending on how you are starting it the wrong
executable may be being used.

Kind Regards
Andrew

Everything indicates it was built --with-threads, so I’m not sure where to go
from here
Thanks
Richard

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–
Andrew H. (LinuxJedi)
Senior Developer Advocate
Nginx Inc.

#3

Thanks Andrew
I figured this out but it was not a duplicate binary
It was because I was issuing -HUP to reload nginx rather than proper
start/stop :-[

Cheers
Richard

#4

Ah! That was my next guess. I’m glad you sorted it. If you have this
problem again there is a way to do a rolling upgrade without a
start/stop, see this link for more info:

http://nginx.org/en/docs/control.html#upgrade

Kind Regards
Andrew

Hi Richard,

[email protected]
http://mailman.nginx.org/mailman/listinfo/nginx

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http://mailman.nginx.org/mailman/listinfo/nginx

–
Andrew H. (LinuxJedi)
Senior Developer Advocate
Nginx Inc.

#5

Добрый день.
Не понятно мне, куда помещать настройку по пулам.

uname -orm

FreeBSD 10.1-RELEASE-p12 amd64
nginx -v
nginx version: nginx/1.8.0
nginx собран с оцией --with-threads
Далее.
nginx.conf в секцию http добавил:
thread_pool one threads=32;
thread_pool cen threads=32;
После делаю проверку.

nginx -t

nginx: [emerg] “thread_pool” directive is not allowed here in
/usr/local/etc/nginx/nginx.conf:46
nginx: configuration file /usr/local/etc/nginx/nginx.conf test failed
Как в инструкиях сказано, что в секцию http добавляется настройка по
пулам,
а после проверки конфига мне говорится, что опции theread_pool тут не
место.
Как быть в этом случае.
Хочу реализовать отдачу картинок на обном из нагруженных проектов.
И есть ли смысл использовать пулы от nginx на системе FreeBSD 10.1 ?

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,259166,259836#msg-259836

#6

I am not sure you need threads with freebsd because it has native aio
support.

2015-06-24 15:11 GMT+03:00 bagas [email protected]:

#7

То-есть, на системе FreeBSD смысла нет использовать пул потоков от
nginx?
Про пул от nginx мало информации и примерров.

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,259166,259845#msg-259845

#8

http://serverfault.com/questions/476765/how-do-i-enable-aio-on-nginx-on-freebsd
Just add ‘aio on;’ instead of ‘aio threads;’.
Also you should compile nginx without threads.

2015-06-24 16:32 GMT+03:00 bagas [email protected]:

#9

У меня aio работает, оно помоему по умолчанию до 1,9 ветки.
Я прописывал в локейшены свои aio threads; но это стандартно, хотелось
для
каждого проекта сделать свой пул.

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,259166,259851#msg-259851

#10

On Wed, Jun 24, 2015 at 08:11:28AM -0400, bagas wrote:

Добрый день.

“unknown directive” != “directive is not allowed here”

Не понятно мне, куда помещать настройку по пулам.

http://nginx.org/ru/docs/ngx_core_module.html#thread_pool

“”"
Контекст: main
“”"

nginx.conf:

==
thread_pool …;
events {
}
http {
server {
}
}

f

Francis D. [email protected]

#11

RTFM :slight_smile: http://nginx.org/en/docs/http/ngx_http_core_module.html#aio

2015-06-24 16:39 GMT+03:00 Anatoli M. [email protected]:

#12

Hi Francis,

it seems that you start to learn Russian! :slight_smile:

On 6/24/15 6:36 PM, Francis D. wrote:

Контекст: main
}
}

f

Valentin wrote a good blog post about threads:

http://nginx.com/blog/thread-pools-boost-performance-9x/

There is a complete and simple configuration in the “Configuring
Thread Pools” section, near the end of the post.

Also, there is a russian version of this article on habrahabr.ru.

–
Maxim K.
http://nginx.com

#13

On Wednesday 24 June 2015 09:32:45 bagas wrote:

То-есть, на системе FreeBSD смысла нет использовать пул потоков от nginx?
Про пул от nginx мало информации и примерров.

You should use native AIO on FreeBSD instead.

See: http://nginx.com/blog/thread-pools-boost-performance-9x/
or in Russian: http://habrahabr.ru/post/260669/

wbr, Valentin V. Bartenev

#14

Это я все понимаю.
Спасибо за содействие.

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,259166,259872#msg-259872

#15

Спасибо.
На хабре же я и прочитал твою статью, сделал как у тебя а в этоге фиг.
)
Пока отложу настройку пулов, пусть используются родные фряхины.

Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,259166,259871#msg-259871

#16

On Wed, Jun 24, 2015 at 06:55:05PM +0300, Maxim K. wrote:

Hi there,

it seems that you start to learn Russian! :slight_smile:

That’s the joy of machine translation :slight_smile:

I hope I didn’t end up answering the wrong question.

Valentin wrote a good blog post about threads:

http://nginx.com/blog/thread-pools-boost-performance-9x/

There is a complete and simple configuration in the “Configuring
Thread Pools” section, near the end of the post.

Thanks for the pointer; I’ve had a read through it. It looks
generally good – but it does show the thread_pool directive
at http level: possibly either that or the documentation at
http://nginx.org/en/docs/ngx_core_module.html#thread_pool should be
updated to be consistent?

I think the original poster has the answers wanted – thread_pool goes
outside http, and probably isn’t needed on FreeBSD for file reads –
so it all looks good.

Cheers,

f

Francis D. [email protected]

#17

On 6/25/15 8:21 PM, Francis D. wrote:

Valentin wrote a good blog post about threads:
updated to be consistent?

Good catch. It should be fixed. Thanks.

I think the original poster has the answers wanted – thread_pool goes
outside http, and probably isn’t needed on FreeBSD for file reads –
so it all looks good.

Cheers,

f

–
Maxim K.
http://nginx.com

#18

On Friday 26 June 2015 10:22:59 Maxim K. wrote:

http://nginx.org/en/docs/ngx_core_module.html#thread_pool should be
updated to be consistent?

Good catch. It should be fixed. Thanks.

Fixed. Thank you, Francis.

wbr, Valentin V. Bartenev

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