diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/topics/cache.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/docs/topics/cache.txt b/docs/topics/cache.txt index dcf47e65ca..f8e86ae85f 100644 --- a/docs/topics/cache.txt +++ b/docs/topics/cache.txt @@ -530,8 +530,9 @@ cached separately. This middleware expects that a HEAD request is answered with the same response headers as the corresponding GET request; in which case it can return a cached GET response for HEAD request. -Additionally, ``UpdateCacheMiddleware`` automatically sets a few headers in each -:class:`~django.http.HttpResponse`: +Additionally, ``UpdateCacheMiddleware`` automatically sets a few headers in +each :class:`~django.http.HttpResponse` which affect :ref:`downstream caches +<downstream-caches>`: * Sets the ``Expires`` header to the current date/time plus the defined :setting:`CACHE_MIDDLEWARE_SECONDS`. @@ -621,6 +622,10 @@ The ``key_prefix`` and ``cache`` arguments may be specified together. The ``key_prefix`` argument and the :setting:`KEY_PREFIX <CACHES-KEY_PREFIX>` specified under :setting:`CACHES` will be concatenated. +Additionally, ``cache_page`` automatically sets ``Cache-Control`` and +``Expires`` headers in the response which affect :ref:`downstream caches +<downstream-caches>`. + .. versionchanged:: 3.1 In older versions, the ``max-age`` directive from the ``Cache-Control`` @@ -1109,6 +1114,8 @@ instance, to do this for the ``locmem`` backend, put this code in a module:: ...and use the dotted Python path to this class in the :setting:`BACKEND <CACHES-BACKEND>` portion of your :setting:`CACHES` setting. +.. _downstream-caches: + Downstream caches ================= |