code: public void setMemcachedNodes( final String memcachedNodes ) {
          if ( _manager.isInitialized() ) {
              final MemcachedNodesManager config = reloadMemcachedConfig( memcachedNodes, _failoverNodes );
              _log.info( "Loaded new memcached node configuration." +
                      "\n- Former config: "+ _memcachedNodes +
                      "\n- New config: " + memcachedNodes +
                      "\n- New node ids: " + config.getPrimaryNodeIds() +
                      "\n- New failover node ids: " + config.getFailoverNodeIds() );
          }
          _memcachedNodes = memcachedNodes;
      }
docs: Set the memcached nodes space or comma separated.
  <p>
  E.g. <code>n1.localhost:11211 n2.localhost:11212</code>
  </p>
  <p>
  When the memcached nodes are set when this manager is already initialized,
  the new configuration will be loaded.
  </p>
  
  @param memcachedNodes
  the memcached node definitions, whitespace or comma separated