Dexter’s Laboratories

A few more line to the monitoring of yesterday

[...]
    w.restart_if do |restart|
      restart.condition(:http_response_code) do |c|
        c.host = 'localhost'
        c.port = port
        c.path = '/'
        c.code_is_not = 200
        c.timeout = 3.seconds
        c.times = [2, 5]
      end
[...]

Unfortunately my previous solution was only temporary, after a while I mentioned that mongrels are eating the memory and hanging.
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I have seen some serious performance issues and some error messages with nginx and mongrel_cluster.
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By default it is not working and the workspace switcher show only 1 workspace whatever you set. Googleing a bit I found the solution.

I already shared some nginx configuration for PHP, but here is one for Drupal.
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The webrick of redmine has couple of performance issues, so I was looking for an alternative solution to avoid the use of Apache and its proxy features. As already I use nginx it was clear to use it. The proxy is working perfectly with proxy_pass to the webrick, but this still have the performance issues.
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As promised here are some install instruction – or better would be to say how I did it.
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After installing nginx (I will maybe post all steps later). Some basic settings and it is runing. nginx cannot run PHP scripts directly, for this reason you need to use fastcgi.

What do you need for this? 1st the php-cgi installed. To check where it is use

server ~/ # which php-cgi
/usr/bin/php-cgi

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nginx [engine x] is a HTTP and reverse proxy server, as well as a mail proxy server written by Igor Sysoev. It has been running for more than five years on many heavily loaded Russian sites including Rambler (RamblerMedia.com). According to Netcraft nginx erved or proxied 4.24% busiest sites in January 2010. Here are some of success stories: FastMail.FM, WordPress.com.

I have tried it and it is a must! follow ups coming soon with config files and start up scripts.