title: php5-fpm does not kill its children ondemand
body: <p>I have this simple /etc/php5/fpm/pool.d/www.conf:</p>
  
  <pre><code>pid = /var/run/php5-fpm.pid
  error_log = /var/log/php5-fpm.log
  
  user = www-data
  group = www-data
  
  listen = 127.0.0.1:9000
  
  pm = ondemand
  pm.max_children = 100
  pm.process_idle_timeout = 10s;
  </code></pre>
  
  <p>So ondemand mode works great, except it does not kill children after they've been idling for 10s. Also, setting pm.max_requests to any realistic value doesn't help.</p>
  
  <p>My box is Debian 8.1, php5-fpm is running with nginx, nothing special in their configuration.</p>