Ticket #5133: memcached-cleanup-connections.patch

django/core/cache/__init__.py

@@ -17 +17 @@
 
 from cgi import parse_qsl
 from django.conf import settings
+from django.core import signals
 from django.core.cache.backends.base import InvalidCacheBackendError
+from django.dispatch import dispatcher
 
 BACKENDS = {
     # name for use in settings file --> name of module in "backends" directory
@@ -52 +54 @@
     return cache_class(host, params)
 
 cache = get_cache(settings.CACHE_BACKEND)
+
+# Some caches -- memcached in particular -- need to do cleanup at the end of a
+# request cycle. If the cache provides a close() method, wire it up here.
+if hasattr(cache, "close"):
+    dispatcher.connect(cache.close, signal=signals.request_finished)

django/core/cache/backends/memcached.py

@@ -36 +36 @@
 
     def get_many(self, keys):
         return self._cache.get_multi(map(smart_str,keys))
+    
+    def close(self):
+        self._cache.disconnect_all()