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Apache processes become stale but won't time out

I'm having an issue with apache2 httpd. The apache is using mpm_prefork and the web application uses php. I noticed that the machine where the apache runs suddenly drops to 0% cpu usage during the ...
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0answers
228 views

Performance issues with Apache + Django + socket.io (long-polling) + Proxy

I'm trying to set up a website with django, apache and socket.io. Thanks to some tutorials and other stackoverflow questions, I managed to make everything work, except for a severe lag, that occurs ...
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84 views

is nginx + php5-fpm sufficient for long polling?

On my web application, I need to implement live notifications. I use nginx with php5-fpm. Digging through php5-fpm's configuration, I found out that it has a limit on the number of php scripts that ...
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1k views

How to handle 20k concurrent persistent connections

I'm trying to design an architecture to handle massive TCP socket connections and I'm in doubt on the limits of this architecture. I'll have to handle ~20k concurrent TCP connections and these are ...
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1answer
685 views

Long Polling Options: Nginx, PHP, Node.js

Also posted here: http://stackoverflow.com/questions/8839295/long-polling-options-nginx-php-node-js I'm designing a long-polling app to broadcast small changes very rapidly to, possibly, a large ...
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Nginx & long poll: Best practices to reduce memory and bandwidth footprint

I use nginx in this mode for BOSH and chat clients along with gzip. location ~* /http-bind/ { proxy_buffering off; keepalive_timeout 55; access_log off; tcp_nodelay on; ...