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Re: Memory Management ( > 25GB memory usage)

June 03, 2013 09:06AM
Hello,

Please assign worker-processors according to the number of cpus your
server have and reduce or comment the values regarding fastcgi buffers and
examine the changes after doing it.


On Mon, Jun 3, 2013 at 5:57 PM, Belly <nginx-forum@nginx.us> wrote:

> Hello nginx!
>
> I have one worker-process, which uses over 25GB memory (and doesn't stop to
> do that).
> My configuration is... let's say special:
>
> So there is nginx, which proxies all requests to the PHP backend and the
> PHP
> backend sends a large request back to nginx. I set the fastcgi_buffers very
> enormous huge to avoid nginx creating temporary files on my disk - which
> would result in high CPU load.
>
> Here is my configuration: (reduced to the problem)
>
> worker_processes 1;
> worker_rlimit_nofile 80000;
> worker_priority -20;
>
> events {
> worker_connections 10240;
> multi_accept on;
> }
> # ...
> # fastcgi settings
> fastcgi_buffers 20480 1k;
> fastcgi_connect_timeout 30;
> fastcgi_read_timeout 30;
> fastcgi_send_timeout 30;
> fastcgi_keep_conn on;
> upstream php-backend {
> server 127.0.0.1:9000;
> keepalive 10000;
> }
>
>
> As you can see the buffers are extreme large, to avoid disk buffering. The
> problem is that nginx doesn't free the buffers. It just eats and eats. I
> know it's my fault and not nginx' fault. What am I doing wrong?
>
> The response of my php backend could be from 1k to 300mb.
>
> What is the best setting for my situation?
>
> Thanks
>
> Posted at Nginx Forum:
> http://forum.nginx.org/read.php?2,239795,239795#msg-239795
>
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Subject Author Posted

Memory Management ( > 25GB memory usage)

Belly June 03, 2013 08:57AM

Re: Memory Management ( > 25GB memory usage)

shahzaib1232 June 03, 2013 09:06AM

Re: Memory Management ( > 25GB memory usage)

Belly June 03, 2013 09:13AM

Re: Memory Management ( > 25GB memory usage)

Maxim Dounin June 03, 2013 09:52AM

Re: Memory Management ( > 25GB memory usage)

Belly June 03, 2013 10:13AM

Re: Memory Management ( > 25GB memory usage)

Maxim Dounin June 03, 2013 11:14AM

Re: Memory Management ( > 25GB memory usage)

Jonathan Vanasco June 03, 2013 11:18AM

Re: Memory Management ( > 25GB memory usage)

Belly June 04, 2013 03:48AM



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