How can I prevent Rails to log too much? Here is a typical trace in my production.log file, many partials, cache hits... It's useful in development but I don't want it in my production environment.

```
Started GET "/?redirected=true" for 46.193.131.53 at 2012-08-16 18:39:20 +0200
Processing by HomeController#index as HTML
  Parameters: {"redirected"=>"true"}
  Rendered application/_successfully_connected.html.haml (0.8ms)
  Rendered hotspot_infos/_infos.html.haml (0.4ms)
  Rendered application/_hotspot_infos.html.haml (1.8ms)
  Rendered application/_news.html.haml (0.3ms)
Read fragment views/social-zone-341-directory (0.5ms)
  Rendered application/_directory.html.haml (2.5ms)
  Rendered application/_meteo.html.haml (1.1ms)
  Rendered application/_notifications.html.haml (0.8ms)
  Rendered application/_like_button.html.haml (0.3ms)
  Rendered application/_navbar.html.haml (4.2ms)
  Rendered application/_connection.html.haml (0.5ms)
  Rendered application/_gallery.html.haml (0.2ms)
  Rendered application/_search_bar.html.haml (0.4ms)
  Rendered pictures/_picture_frame.html.haml (0.3ms)
  Rendered application/_profile_preview.html.haml (1.4ms)
  Rendered application/_profile_block.html.haml (1.7ms)
  Rendered application/_menus.html.haml (3.3ms)
  Rendered application/_left_pane.html.haml (5.5ms)
  Rendered application/_langs.html.haml (0.8ms)
  Rendered application/_footer.html.haml (1.9ms)
  Rendered application/_flash_modal.html.haml (0.1ms)
  Rendered application/_connection_required.js.erb (0.2ms)
Completed 200 OK in 159ms (Views: 25.5ms | ActiveRecord: 88.0ms)

```

Thank's for your help

PS: I'm using Rails 3.2.6