Added a CACHE_MIDDLEWARE_ANONYMOUS_ONLY setting which makes the cache ignore pages served to authenticated users. Fixes #1509 (thanks, Matt).

Also added a FAQ entry about using this setting to avoid caching of the admin interface. 


git-svn-id: http://code.djangoproject.com/svn/django/trunk@3395 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/cache.txt

@@ -230,7 +230,12 @@ Then, add the following required settings to your Django settings file:
   collisions. Use an empty string if you don't care.
 
 The cache middleware caches every page that doesn't have GET or POST
-parameters. Additionally, ``CacheMiddleware`` automatically sets a few headers
+parameters. Optionally, If the ``CACHE_MIDDLEWARE_ANONYMOUS_ONLY`` setting is
+``True``, only anonymous requests (i.e. those node made by a logged in user)
+will be cached. This is a simple and effective way of disabling caching on any
+user-specific content ( include Django's admin interface).
+
+Additionally, ``CacheMiddleware`` automatically sets a few headers
 in each ``HttpResponse``:
 
 * Sets the ``Last-Modified`` header to the current date/time when a fresh

docs/faq.txt

@@ -535,6 +535,14 @@ If you're sure your username and password are correct, make sure your user
 account has ``is_active`` and ``is_staff`` set to True. The admin site only
 allows access to users with those two fields both set to True.
 
+How can I prevent the cache middleware from caching the admin site?
+-------------------------------------------------------------------
+
+Set the ``CACHE_MIDDLEWARE_ANONYMOUS_ONLY`` setting to ``True``. See the
+`cache documentation`_ for more information.
+
+.. _cache documentation: ../cache/#the-per-site-cache
+
 How do I automatically set a field's value to the user who last edited the object in the admin?
 -----------------------------------------------------------------------------------------------