function LoadConfig()
 {
     if (self::$arList === false) {
         if (file_exists($_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/cluster/memcache.php")) {
             include $_SERVER["DOCUMENT_ROOT"] . BX_ROOT . "/modules/cluster/memcache.php";
         }
         if (defined("BX_MEMCACHE_CLUSTER") && is_array($arList)) {
             foreach ($arList as $i => $arServer) {
                 $bOtherGroup = defined("BX_CLUSTER_GROUP") && $arServer["GROUP_ID"] !== BX_CLUSTER_GROUP;
                 if ($arServer["STATUS"] !== "ONLINE" || $bOtherGroup) {
                     unset($arList[$i]);
                 }
                 if ($bOtherGroup) {
                     self::$arOtherGroups[$arServer["GROUP_ID"]] = true;
                 }
             }
             self::$arList = $arList;
         } else {
             self::$arList = array();
         }
     }
     return self::$arList;
 }