diff -r ab1e620b1eaf django/core/cache/backends/memcached.py
--- a/django/core/cache/backends/memcached.py	Thu Jan 27 03:15:12 2011 +0000
+++ b/django/core/cache/backends/memcached.py	Fri Jan 28 20:26:38 2011 +0800
@@ -53,14 +53,22 @@
         return self._cache.add(key, value, self._get_memcache_timeout(timeout))
 
     def get(self, key, default=None, version=None):
+        print 'get base key =',key
+        print 'get base version =',version
         key = self.make_key(key, version=version)
+        print 'get key =',key
         val = self._cache.get(key)
+        print 'get val =',val
         if val is None:
             return default
         return val
 
     def set(self, key, value, timeout=0, version=None):
+        print 'set base key =',key
+        print 'set base version =',version
         key = self.make_key(key, version=version)
+        print 'set key =',key
+        print 'set timeout =',self._get_memcache_timeout(timeout)
         self._cache.set(key, value, self._get_memcache_timeout(timeout))
 
     def delete(self, key, version=None):