docs: public void setFailoverNodes( final String failoverNodes ) {
          if ( _manager.isInitialized() ) {
              final MemcachedNodesManager config = reloadMemcachedConfig( _memcachedNodes, failoverNodes );
              _log.info( "Loaded new memcached failover node configuration." +
                      "\n- Former failover config: "+ _failoverNodes +
                      "\n- New failover config: " + failoverNodes +
                      "\n- New node ids: " + config.getPrimaryNodeIds() +
                      "\n- New failover node ids: " + config.getFailoverNodeIds() );
          }
          _failoverNodes = failoverNodes;
      }