gistfile1.yml

[ENVIRONMENT]:
  servers:
      broadcast:
        bind_address: # the IP address for the server receiving UDP broadcasts. Default is 255.255.255.255
        port: # the UDP port for receiving broadcasts. Default is 10000
      public:
        bind_address: #the IP address for the server receiving UDP commands specific to this host. Default is 0.0.0.0 (all interfaces)
        port: # the UDP port for receiving direct commands. Default is 10001
      private:
        port: # the UDP port for receiving private commands. Default is 10002
      admin:
        bind_address: # the IP address for the admin server receiving TCP commands. Default is 0.0.0.0 (all interfaces)
        port: # the TCP port for receiving admin commands. Default is 10003
    sweeping:
      pages:
       base_dir: # the page cache main directory. Defaults to RAILS_ROOT/public.
       allowed_paths: # Array containing the allowed paths to be swept. Place here an array containing expressions for file matching. example: [dev, dev/*]. Match is done using File.fnmatch expressions: <a href="http://www.ruby-doc.org/core/classes/File.html#M002519">http://www.ruby-doc.org/core/classes/File.html#M002519</a>
      fragments:
       base_dir: # fragment cache dir. Defaults to RAILS_ROOT/tmp/cache
    persistence:
      persist: # true or false - true if you want sweepy to keep track of unresponsive peers. Needs tokyocabinet (see "Install":http://wiki.github.com/pgte/sweepy/install )
        peers: # An array of IP addresses of each box that must be contacted when cache sweeping occurs. Example: [192.168.1.100, 192.168.1.101]
        retry_after_secs: #the amount of time in seconds the retries will try to send this message. Default: 10. Only relevant if using persist: true
        timeout_secs: # The amount of time in seconds after which an unresponsive box os no longer retried. Default: 1000
[ENVIRONMENT B]:
...