Index: Memcached.php
===================================================================
--- Memcached.php	(revision 13831)
+++ Memcached.php	(working copy)
@@ -50,6 +50,11 @@
     const DEFAULT_PORT       = 11211;
 
     /**
+     * Default server weight
+     */
+    const DEFAULT_WEIGHT = 1;
+
+    /**
      * Persistent
      */
     const DEFAULT_PERSISTENT = true;
@@ -72,7 +77,8 @@
         'servers' => array(array(
             'host' => Zend_Cache_Backend_Memcached::DEFAULT_HOST,
             'port' => Zend_Cache_Backend_Memcached::DEFAULT_PORT,
-            'persistent' => Zend_Cache_Backend_Memcached::DEFAULT_PERSISTENT
+            'persistent' => Zend_Cache_Backend_Memcached::DEFAULT_PERSISTENT,
+            'weigth' => Zend_Cache_Backend_Memcached::DEFAULT_WEIGHT,
         )),
         'compression' => false
     );
@@ -113,7 +119,10 @@
             if (!array_key_exists('port', $server)) {
                 $server['port'] = Zend_Cache_Backend_Memcached::DEFAULT_PORT;
             }
-            $this->_memcache->addServer($server['host'], $server['port'], $server['persistent']);
+            if (!array_key_exists('weight', $server)) {
+                $server['weight'] = Zend_Cache_Backend_Memcached::DEFAULT_WEIGHT;
+            }
+            $this->_memcache->addServer($server['host'], $server['port'], $server['persistent'], $server['weight']);
         }
     }